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Finding the Fourth Proportional to 49,755, 68,720.22 and 32,958.84

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Solution

The fourth proportional to 49,755, 68,720.22 and 32,958.84 is: 45,521.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,755 : 68,720.22 = 32,958.84 : x
  2. Step 2: Convert to fraction form
    49,755/68,720.22 = 32,958.84/x
  3. Step 3: Cross multiply
    49,755x = 68,720.22 × 32,958.84
  4. Step 4: Simplify right side
    49,755x = 2,264,938,735.74
  5. Step 5: Solve for x
    x = 2,264,938,735.74/49,755
  6. Step 6: Final answer
    x = 45,521.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.