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Finding the Fourth Proportional to 40,013.28, 60,013.44 and 22,517.28

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Solution

The fourth proportional to 40,013.28, 60,013.44 and 22,517.28 is: 33,772.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,013.28 : 60,013.44 = 22,517.28 : x
  2. Step 2: Convert to fraction form
    40,013.28/60,013.44 = 22,517.28/x
  3. Step 3: Cross multiply
    40,013.28x = 60,013.44 × 22,517.28
  4. Step 4: Simplify right side
    40,013.28x = 1,351,339,432.24
  5. Step 5: Solve for x
    x = 1,351,339,432.24/40,013.28
  6. Step 6: Final answer
    x = 33,772.27

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1.5x scale

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.