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Finding the Fourth Proportional to 29,605.68, 44,440.12 and 12,747.03

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Solution

The fourth proportional to 29,605.68, 44,440.12 and 12,747.03 is: 19,134.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,605.68 : 44,440.12 = 12,747.03 : x
  2. Step 2: Convert to fraction form
    29,605.68/44,440.12 = 12,747.03/x
  3. Step 3: Cross multiply
    29,605.68x = 44,440.12 × 12,747.03
  4. Step 4: Simplify right side
    29,605.68x = 566,479,542.84
  5. Step 5: Solve for x
    x = 566,479,542.84/29,605.68
  6. Step 6: Final answer
    x = 19,134.15

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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.