(50000/X)*1000 = 3.75
What is "X"?
Divide both sides of the equation by 1000 to get
50,000/x = 3.75/1000 now multiply both sides by 'x'
50,000 = x* 3.75/1000 now multiply both sides by 1000/3.75
50,000 (1000/3.75) = x
x= 13333333.333