Home / 31,472.44-47,201.40-8,982.69

Finding the Fourth Proportional to 31,472.44, 47,201.40 and 8,982.69

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Solution

The fourth proportional to 31,472.44, 47,201.40 and 8,982.69 is: 13,471.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,472.44 : 47,201.40 = 8,982.69 : x
  2. Step 2: Convert to fraction form
    31,472.44/47,201.40 = 8,982.69/x
  3. Step 3: Cross multiply
    31,472.44x = 47,201.40 × 8,982.69
  4. Step 4: Simplify right side
    31,472.44x = 423,995,366.76
  5. Step 5: Solve for x
    x = 423,995,366.76/31,472.44
  6. Step 6: Final answer
    x = 13,471.96

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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.