Home / 47,972.18-71,964.30-25,755.02

Finding the Fourth Proportional to 47,972.18, 71,964.30 and 25,755.02

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Solution

The fourth proportional to 47,972.18, 71,964.30 and 25,755.02 is: 38,635.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,972.18 : 71,964.30 = 25,755.02 : x
  2. Step 2: Convert to fraction form
    47,972.18/71,964.30 = 25,755.02/x
  3. Step 3: Cross multiply
    47,972.18x = 71,964.30 × 25,755.02
  4. Step 4: Simplify right side
    47,972.18x = 1,853,441,985.79
  5. Step 5: Solve for x
    x = 1,853,441,985.79/47,972.18
  6. Step 6: Final answer
    x = 38,635.77

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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.