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Finding the Fourth Proportional to 40,503, 60,751.92 and 15,197.52

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Solution

The fourth proportional to 40,503, 60,751.92 and 15,197.52 is: 22,795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,503 : 60,751.92 = 15,197.52 : x
  2. Step 2: Convert to fraction form
    40,503/60,751.92 = 15,197.52/x
  3. Step 3: Cross multiply
    40,503x = 60,751.92 × 15,197.52
  4. Step 4: Simplify right side
    40,503x = 923,278,519.24
  5. Step 5: Solve for x
    x = 923,278,519.24/40,503
  6. Step 6: Final answer
    x = 22,795.31

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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.