Home / 65,132.43-97,818.97-38,997.78

Finding the Fourth Proportional to 65,132.43, 97,818.97 and 38,997.78

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Solution

The fourth proportional to 65,132.43, 97,818.97 and 38,997.78 is: 58,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,132.43 : 97,818.97 = 38,997.78 : x
  2. Step 2: Convert to fraction form
    65,132.43/97,818.97 = 38,997.78/x
  3. Step 3: Cross multiply
    65,132.43x = 97,818.97 × 38,997.78
  4. Step 4: Simplify right side
    65,132.43x = 3,814,722,671.89
  5. Step 5: Solve for x
    x = 3,814,722,671.89/65,132.43
  6. Step 6: Final answer
    x = 58,568.71

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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.