Finding the Fourth Proportional to 54,086.82, 74,634.45 and 30,212.99
Calculator
Solution
The fourth proportional to 54,086.82, 74,634.45 and 30,212.99 is: 41,690.92
Step by Step Solution
- Step 1: Write the proportion equation
54,086.82 : 74,634.45 = 30,212.99 : x - Step 2: Convert to fraction form
54,086.82/74,634.45 = 30,212.99/x - Step 3: Cross multiply
54,086.82x = 74,634.45 × 30,212.99 - Step 4: Simplify right side
54,086.82x = 2,254,929,518.33 - Step 5: Solve for x
x = 2,254,929,518.33/54,086.82 - Step 6: Final answer
x = 41,690.92
Related Problems
Find fourth proportional to 27,043.41, 37,317.23 and 15,106.49
Half scale
Find fourth proportional to 108,173.64, 149,268.90 and 60,425.97
Double scale
Find fourth proportional to 54,087.82, 74,635.83 and 30,213.99
Similar ratio
Find fourth proportional to 81,130.23, 111,951.68 and 45,319.48
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.