Home / 65,213.50-97,834.20-20,233.88

Finding the Fourth Proportional to 65,213.50, 97,834.20 and 20,233.88

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Solution

The fourth proportional to 65,213.50, 97,834.20 and 20,233.88 is: 30,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,213.50 : 97,834.20 = 20,233.88 : x
  2. Step 2: Convert to fraction form
    65,213.50/97,834.20 = 20,233.88/x
  3. Step 3: Cross multiply
    65,213.50x = 97,834.20 × 20,233.88
  4. Step 4: Simplify right side
    65,213.50x = 1,979,565,462.70
  5. Step 5: Solve for x
    x = 1,979,565,462.70/65,213.50
  6. Step 6: Final answer
    x = 30,355.15

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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.