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Finding the Fourth Proportional to 41,153.44, 61,737.84 and 13,470.88

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Solution

The fourth proportional to 41,153.44, 61,737.84 and 13,470.88 is: 20,208.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,153.44 : 61,737.84 = 13,470.88 : x
  2. Step 2: Convert to fraction form
    41,153.44/61,737.84 = 13,470.88/x
  3. Step 3: Cross multiply
    41,153.44x = 61,737.84 × 13,470.88
  4. Step 4: Simplify right side
    41,153.44x = 831,663,034.10
  5. Step 5: Solve for x
    x = 831,663,034.10/41,153.44
  6. Step 6: Final answer
    x = 20,208.83

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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.