Home / 47,531.61-71,331.75-18,684.52

Finding the Fourth Proportional to 47,531.61, 71,331.75 and 18,684.52

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Solution

The fourth proportional to 47,531.61, 71,331.75 and 18,684.52 is: 28,040.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,531.61 : 71,331.75 = 18,684.52 : x
  2. Step 2: Convert to fraction form
    47,531.61/71,331.75 = 18,684.52/x
  3. Step 3: Cross multiply
    47,531.61x = 71,331.75 × 18,684.52
  4. Step 4: Simplify right side
    47,531.61x = 1,332,799,758.70
  5. Step 5: Solve for x
    x = 1,332,799,758.70/47,531.61
  6. Step 6: Final answer
    x = 28,040.28

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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.