Home / 41,251.72-61,881.90-20,469.64

Finding the Fourth Proportional to 41,251.72, 61,881.90 and 20,469.64

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Solution

The fourth proportional to 41,251.72, 61,881.90 and 20,469.64 is: 30,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,251.72 : 61,881.90 = 20,469.64 : x
  2. Step 2: Convert to fraction form
    41,251.72/61,881.90 = 20,469.64/x
  3. Step 3: Cross multiply
    41,251.72x = 61,881.90 × 20,469.64
  4. Step 4: Simplify right side
    41,251.72x = 1,266,700,215.52
  5. Step 5: Solve for x
    x = 1,266,700,215.52/41,251.72
  6. Step 6: Final answer
    x = 30,706.60

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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.