Home / 42,375.85-63,584.42-17,423.39

Finding the Fourth Proportional to 42,375.85, 63,584.42 and 17,423.39

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Solution

The fourth proportional to 42,375.85, 63,584.42 and 17,423.39 is: 26,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,375.85 : 63,584.42 = 17,423.39 : x
  2. Step 2: Convert to fraction form
    42,375.85/63,584.42 = 17,423.39/x
  3. Step 3: Cross multiply
    42,375.85x = 63,584.42 × 17,423.39
  4. Step 4: Simplify right side
    42,375.85x = 1,107,856,147.58
  5. Step 5: Solve for x
    x = 1,107,856,147.58/42,375.85
  6. Step 6: Final answer
    x = 26,143.57

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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.