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Finding the Fourth Proportional to 52,355.62, 72,234.43 and 29,692.83

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Solution

The fourth proportional to 52,355.62, 72,234.43 and 29,692.83 is: 40,966.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,355.62 : 72,234.43 = 29,692.83 : x
  2. Step 2: Convert to fraction form
    52,355.62/72,234.43 = 29,692.83/x
  3. Step 3: Cross multiply
    52,355.62x = 72,234.43 × 29,692.83
  4. Step 4: Simplify right side
    52,355.62x = 2,144,844,650.14
  5. Step 5: Solve for x
    x = 2,144,844,650.14/52,355.62
  6. Step 6: Final answer
    x = 40,966.85

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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.