20.21 is what percent of 40491 - step by step solution

To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 40491 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 100% equals 40491, so we can write it down as 100%=40491.
4. We know, that x% equals 20.21 of the output value, so we can write it down as x%=20.21.
5. Now we have two simple equations:
1) 100%=40491
2) x%=20.21
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
100%/x%=40491/20.21
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 20.21 is what percent of 40491

100%/x%=40491/20.21
(100/x)*x=(40491/20.21)*x       - we multiply both sides of the equation by x
100=2003.5131123206*x       - we divide both sides of the equation by (2003.5131123206) to get x
100/2003.5131123206=x
0.049912326195945=x
x=0.049912326195945

now we have:
20.21 is 0.049912326195945% of 40491