Home / 38,073.92-52,542.12-21,306.92

Finding the Fourth Proportional to 38,073.92, 52,542.12 and 21,306.92

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Solution

The fourth proportional to 38,073.92, 52,542.12 and 21,306.92 is: 29,403.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,073.92 : 52,542.12 = 21,306.92 : x
  2. Step 2: Convert to fraction form
    38,073.92/52,542.12 = 21,306.92/x
  3. Step 3: Cross multiply
    38,073.92x = 52,542.12 × 21,306.92
  4. Step 4: Simplify right side
    38,073.92x = 1,119,510,747.47
  5. Step 5: Solve for x
    x = 1,119,510,747.47/38,073.92
  6. Step 6: Final answer
    x = 29,403.61

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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.