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Finding the Fourth Proportional to 44,973.92, 67,449.11 and 13,375.46

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Solution

The fourth proportional to 44,973.92, 67,449.11 and 13,375.46 is: 20,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,973.92 : 67,449.11 = 13,375.46 : x
  2. Step 2: Convert to fraction form
    44,973.92/67,449.11 = 13,375.46/x
  3. Step 3: Cross multiply
    44,973.92x = 67,449.11 × 13,375.46
  4. Step 4: Simplify right side
    44,973.92x = 902,162,468.72
  5. Step 5: Solve for x
    x = 902,162,468.72/44,973.92
  6. Step 6: Final answer
    x = 20,059.68

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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.