Home / 43,609.24-65,414.11-15,530.38

Finding the Fourth Proportional to 43,609.24, 65,414.11 and 15,530.38

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Solution

The fourth proportional to 43,609.24, 65,414.11 and 15,530.38 is: 23,295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,609.24 : 65,414.11 = 15,530.38 : x
  2. Step 2: Convert to fraction form
    43,609.24/65,414.11 = 15,530.38/x
  3. Step 3: Cross multiply
    43,609.24x = 65,414.11 × 15,530.38
  4. Step 4: Simplify right side
    43,609.24x = 1,015,906,136.70
  5. Step 5: Solve for x
    x = 1,015,906,136.70/43,609.24
  6. Step 6: Final answer
    x = 23,295.66

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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.