Home / 39,895.92-54,657.18-38,400.26

Finding the Fourth Proportional to 39,895.92, 54,657.18 and 38,400.26

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Solution

The fourth proportional to 39,895.92, 54,657.18 and 38,400.26 is: 52,608.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,895.92 : 54,657.18 = 38,400.26 : x
  2. Step 2: Convert to fraction form
    39,895.92/54,657.18 = 38,400.26/x
  3. Step 3: Cross multiply
    39,895.92x = 54,657.18 × 38,400.26
  4. Step 4: Simplify right side
    39,895.92x = 2,098,849,649.58
  5. Step 5: Solve for x
    x = 2,098,849,649.58/39,895.92
  6. Step 6: Final answer
    x = 52,608.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.