Home / 43,423.11-65,132.15-16,763.90

Finding the Fourth Proportional to 43,423.11, 65,132.15 and 16,763.90

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Solution

The fourth proportional to 43,423.11, 65,132.15 and 16,763.90 is: 25,144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,423.11 : 65,132.15 = 16,763.90 : x
  2. Step 2: Convert to fraction form
    43,423.11/65,132.15 = 16,763.90/x
  3. Step 3: Cross multiply
    43,423.11x = 65,132.15 × 16,763.90
  4. Step 4: Simplify right side
    43,423.11x = 1,091,868,439.90
  5. Step 5: Solve for x
    x = 1,091,868,439.90/43,423.11
  6. Step 6: Final answer
    x = 25,144.87

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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.