Home / 47,521.17-71,306.32-20,885.85

Finding the Fourth Proportional to 47,521.17, 71,306.32 and 20,885.85

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Solution

The fourth proportional to 47,521.17, 71,306.32 and 20,885.85 is: 31,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,521.17 : 71,306.32 = 20,885.85 : x
  2. Step 2: Convert to fraction form
    47,521.17/71,306.32 = 20,885.85/x
  3. Step 3: Cross multiply
    47,521.17x = 71,306.32 × 20,885.85
  4. Step 4: Simplify right side
    47,521.17x = 1,489,293,103.57
  5. Step 5: Solve for x
    x = 1,489,293,103.57/47,521.17
  6. Step 6: Final answer
    x = 31,339.57

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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.