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Finding the Fourth Proportional to 40,367, 60,560.22 and 12,665

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Solution

The fourth proportional to 40,367, 60,560.22 and 12,665 is: 19,000.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,367 : 60,560.22 = 12,665 : x
  2. Step 2: Convert to fraction form
    40,367/60,560.22 = 12,665/x
  3. Step 3: Cross multiply
    40,367x = 60,560.22 × 12,665
  4. Step 4: Simplify right side
    40,367x = 766,995,186.30
  5. Step 5: Solve for x
    x = 766,995,186.30/40,367
  6. Step 6: Final answer
    x = 19,000.55

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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.