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Finding the Fourth Proportional to 49,394.66, 68,133.74 and 32,399.87

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Solution

The fourth proportional to 49,394.66, 68,133.74 and 32,399.87 is: 44,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,394.66 : 68,133.74 = 32,399.87 : x
  2. Step 2: Convert to fraction form
    49,394.66/68,133.74 = 32,399.87/x
  3. Step 3: Cross multiply
    49,394.66x = 68,133.74 × 32,399.87
  4. Step 4: Simplify right side
    49,394.66x = 2,207,523,815.95
  5. Step 5: Solve for x
    x = 2,207,523,815.95/49,394.66
  6. Step 6: Final answer
    x = 44,691.55

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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.