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Finding the Fourth Proportional to 65,229.70, 97,844.55 and 15,981.70

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Solution

The fourth proportional to 65,229.70, 97,844.55 and 15,981.70 is: 23,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,229.70 : 97,844.55 = 15,981.70 : x
  2. Step 2: Convert to fraction form
    65,229.70/97,844.55 = 15,981.70/x
  3. Step 3: Cross multiply
    65,229.70x = 97,844.55 × 15,981.70
  4. Step 4: Simplify right side
    65,229.70x = 1,563,722,244.74
  5. Step 5: Solve for x
    x = 1,563,722,244.74/65,229.70
  6. Step 6: Final answer
    x = 23,972.55

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Similar ratio
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1.5x scale

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.