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Finding the Fourth Proportional to 33,712.40, 50,453.40 and 29,565.20

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Solution

The fourth proportional to 33,712.40, 50,453.40 and 29,565.20 is: 44,246.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,712.40 : 50,453.40 = 29,565.20 : x
  2. Step 2: Convert to fraction form
    33,712.40/50,453.40 = 29,565.20/x
  3. Step 3: Cross multiply
    33,712.40x = 50,453.40 × 29,565.20
  4. Step 4: Simplify right side
    33,712.40x = 1,491,664,861.68
  5. Step 5: Solve for x
    x = 1,491,664,861.68/33,712.40
  6. Step 6: Final answer
    x = 44,246.77

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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.