Home / 49,257.16-67,972.08-29,115.90

Finding the Fourth Proportional to 49,257.16, 67,972.08 and 29,115.90

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Solution

The fourth proportional to 49,257.16, 67,972.08 and 29,115.90 is: 40,178.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,257.16 : 67,972.08 = 29,115.90 : x
  2. Step 2: Convert to fraction form
    49,257.16/67,972.08 = 29,115.90/x
  3. Step 3: Cross multiply
    49,257.16x = 67,972.08 × 29,115.90
  4. Step 4: Simplify right side
    49,257.16x = 1,979,068,284.07
  5. Step 5: Solve for x
    x = 1,979,068,284.07/49,257.16
  6. Step 6: Final answer
    x = 40,178.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.