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Finding the Fourth Proportional to 61,648.55, 92,472.84 and 17,281.88

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Solution

The fourth proportional to 61,648.55, 92,472.84 and 17,281.88 is: 25,922.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,648.55 : 92,472.84 = 17,281.88 : x
  2. Step 2: Convert to fraction form
    61,648.55/92,472.84 = 17,281.88/x
  3. Step 3: Cross multiply
    61,648.55x = 92,472.84 × 17,281.88
  4. Step 4: Simplify right side
    61,648.55x = 1,598,104,524.14
  5. Step 5: Solve for x
    x = 1,598,104,524.14/61,648.55
  6. Step 6: Final answer
    x = 25,922.82

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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.