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Finding the Fourth Proportional to 60,971.82, 91,381.49 and 29,375.96

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Solution

The fourth proportional to 60,971.82, 91,381.49 and 29,375.96 is: 44,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,971.82 : 91,381.49 = 29,375.96 : x
  2. Step 2: Convert to fraction form
    60,971.82/91,381.49 = 29,375.96/x
  3. Step 3: Cross multiply
    60,971.82x = 91,381.49 × 29,375.96
  4. Step 4: Simplify right side
    60,971.82x = 2,684,418,391.19
  5. Step 5: Solve for x
    x = 2,684,418,391.19/60,971.82
  6. Step 6: Final answer
    x = 44,027.20

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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.