Home / 31,366.92-47,031.29-13,333.90

Finding the Fourth Proportional to 31,366.92, 47,031.29 and 13,333.90

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Solution

The fourth proportional to 31,366.92, 47,031.29 and 13,333.90 is: 19,992.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,366.92 : 47,031.29 = 13,333.90 : x
  2. Step 2: Convert to fraction form
    31,366.92/47,031.29 = 13,333.90/x
  3. Step 3: Cross multiply
    31,366.92x = 47,031.29 × 13,333.90
  4. Step 4: Simplify right side
    31,366.92x = 627,110,517.73
  5. Step 5: Solve for x
    x = 627,110,517.73/31,366.92
  6. Step 6: Final answer
    x = 19,992.73

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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.