Home / 47,938.41-71,909.78-18,348.57

Finding the Fourth Proportional to 47,938.41, 71,909.78 and 18,348.57

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Solution

The fourth proportional to 47,938.41, 71,909.78 and 18,348.57 is: 27,523.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,938.41 : 71,909.78 = 18,348.57 : x
  2. Step 2: Convert to fraction form
    47,938.41/71,909.78 = 18,348.57/x
  3. Step 3: Cross multiply
    47,938.41x = 71,909.78 × 18,348.57
  4. Step 4: Simplify right side
    47,938.41x = 1,319,441,540.27
  5. Step 5: Solve for x
    x = 1,319,441,540.27/47,938.41
  6. Step 6: Final answer
    x = 27,523.68

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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.