Home / 40,178.20-60,209.70-29,565.40

Finding the Fourth Proportional to 40,178.20, 60,209.70 and 29,565.40

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Solution

The fourth proportional to 40,178.20, 60,209.70 and 29,565.40 is: 44,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,178.20 : 60,209.70 = 29,565.40 : x
  2. Step 2: Convert to fraction form
    40,178.20/60,209.70 = 29,565.40/x
  3. Step 3: Cross multiply
    40,178.20x = 60,209.70 × 29,565.40
  4. Step 4: Simplify right side
    40,178.20x = 1,780,123,864.38
  5. Step 5: Solve for x
    x = 1,780,123,864.38/40,178.20
  6. Step 6: Final answer
    x = 44,305.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.