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Finding the Fourth Proportional to 51,648.62, 77,306.82 and 26,654.62

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Solution

The fourth proportional to 51,648.62, 77,306.82 and 26,654.62 is: 39,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,648.62 : 77,306.82 = 26,654.62 : x
  2. Step 2: Convert to fraction form
    51,648.62/77,306.82 = 26,654.62/x
  3. Step 3: Cross multiply
    51,648.62x = 77,306.82 × 26,654.62
  4. Step 4: Simplify right side
    51,648.62x = 2,060,583,910.51
  5. Step 5: Solve for x
    x = 2,060,583,910.51/51,648.62
  6. Step 6: Final answer
    x = 39,896.20

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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.