Home / 31,354.52-47,031.27-12,634.11

Finding the Fourth Proportional to 31,354.52, 47,031.27 and 12,634.11

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Solution

The fourth proportional to 31,354.52, 47,031.27 and 12,634.11 is: 18,950.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,354.52 : 47,031.27 = 12,634.11 : x
  2. Step 2: Convert to fraction form
    31,354.52/47,031.27 = 12,634.11/x
  3. Step 3: Cross multiply
    31,354.52x = 47,031.27 × 12,634.11
  4. Step 4: Simplify right side
    31,354.52x = 594,198,238.62
  5. Step 5: Solve for x
    x = 594,198,238.62/31,354.52
  6. Step 6: Final answer
    x = 18,950.96

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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.