Home / 31,540.17-47,246.85-15,697.38

Finding the Fourth Proportional to 31,540.17, 47,246.85 and 15,697.38

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Solution

The fourth proportional to 31,540.17, 47,246.85 and 15,697.38 is: 23,514.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,540.17 : 47,246.85 = 15,697.38 : x
  2. Step 2: Convert to fraction form
    31,540.17/47,246.85 = 15,697.38/x
  3. Step 3: Cross multiply
    31,540.17x = 47,246.85 × 15,697.38
  4. Step 4: Simplify right side
    31,540.17x = 741,651,758.25
  5. Step 5: Solve for x
    x = 741,651,758.25/31,540.17
  6. Step 6: Final answer
    x = 23,514.51

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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.