Home / 47,687.40-71,503.26-14,397.48

Finding the Fourth Proportional to 47,687.40, 71,503.26 and 14,397.48

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Solution

The fourth proportional to 47,687.40, 71,503.26 and 14,397.48 is: 21,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,687.40 : 71,503.26 = 14,397.48 : x
  2. Step 2: Convert to fraction form
    47,687.40/71,503.26 = 14,397.48/x
  3. Step 3: Cross multiply
    47,687.40x = 71,503.26 × 14,397.48
  4. Step 4: Simplify right side
    47,687.40x = 1,029,466,755.78
  5. Step 5: Solve for x
    x = 1,029,466,755.78/47,687.40
  6. Step 6: Final answer
    x = 21,587.81

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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.