Home / 68,261.30-102,391.98-21,517.82

Finding the Fourth Proportional to 68,261.30, 102,391.98 and 21,517.82

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Solution

The fourth proportional to 68,261.30, 102,391.98 and 21,517.82 is: 32,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,261.30 : 102,391.98 = 21,517.82 : x
  2. Step 2: Convert to fraction form
    68,261.30/102,391.98 = 21,517.82/x
  3. Step 3: Cross multiply
    68,261.30x = 102,391.98 × 21,517.82
  4. Step 4: Simplify right side
    68,261.30x = 2,203,251,575.53
  5. Step 5: Solve for x
    x = 2,203,251,575.53/68,261.30
  6. Step 6: Final answer
    x = 32,276.73

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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.