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Finding the Fourth Proportional to 44,591.66, 66,898.65 and 31,469.66

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Solution

The fourth proportional to 44,591.66, 66,898.65 and 31,469.66 is: 47,212.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,591.66 : 66,898.65 = 31,469.66 : x
  2. Step 2: Convert to fraction form
    44,591.66/66,898.65 = 31,469.66/x
  3. Step 3: Cross multiply
    44,591.66x = 66,898.65 × 31,469.66
  4. Step 4: Simplify right side
    44,591.66x = 2,105,277,769.96
  5. Step 5: Solve for x
    x = 2,105,277,769.96/44,591.66
  6. Step 6: Final answer
    x = 47,212.37

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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.