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Finding the Fourth Proportional to 41,282.55, 61,911.68 and 11,702.97

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Solution

The fourth proportional to 41,282.55, 61,911.68 and 11,702.97 is: 17,551.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,282.55 : 61,911.68 = 11,702.97 : x
  2. Step 2: Convert to fraction form
    41,282.55/61,911.68 = 11,702.97/x
  3. Step 3: Cross multiply
    41,282.55x = 61,911.68 × 11,702.97
  4. Step 4: Simplify right side
    41,282.55x = 724,550,475.17
  5. Step 5: Solve for x
    x = 724,550,475.17/41,282.55
  6. Step 6: Final answer
    x = 17,551.01

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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.