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Finding the Fourth Proportional to 66,398.50, 99,537.72 and 24,248.85

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Solution

The fourth proportional to 66,398.50, 99,537.72 and 24,248.85 is: 36,351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,398.50 : 99,537.72 = 24,248.85 : x
  2. Step 2: Convert to fraction form
    66,398.50/99,537.72 = 24,248.85/x
  3. Step 3: Cross multiply
    66,398.50x = 99,537.72 × 24,248.85
  4. Step 4: Simplify right side
    66,398.50x = 2,413,675,241.62
  5. Step 5: Solve for x
    x = 2,413,675,241.62/66,398.50
  6. Step 6: Final answer
    x = 36,351.35

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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.