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Finding the Fourth Proportional to 64,551.80, 96,691.62 and 29,520.92

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Solution

The fourth proportional to 64,551.80, 96,691.62 and 29,520.92 is: 44,219.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,551.80 : 96,691.62 = 29,520.92 : x
  2. Step 2: Convert to fraction form
    64,551.80/96,691.62 = 29,520.92/x
  3. Step 3: Cross multiply
    64,551.80x = 96,691.62 × 29,520.92
  4. Step 4: Simplify right side
    64,551.80x = 2,854,425,578.69
  5. Step 5: Solve for x
    x = 2,854,425,578.69/64,551.80
  6. Step 6: Final answer
    x = 44,219.15

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1.5x scale

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.