Home / 31,964.74-47,947.50-12,244.48

Finding the Fourth Proportional to 31,964.74, 47,947.50 and 12,244.48

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Solution

The fourth proportional to 31,964.74, 47,947.50 and 12,244.48 is: 18,366.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,964.74 : 47,947.50 = 12,244.48 : x
  2. Step 2: Convert to fraction form
    31,964.74/47,947.50 = 12,244.48/x
  3. Step 3: Cross multiply
    31,964.74x = 47,947.50 × 12,244.48
  4. Step 4: Simplify right side
    31,964.74x = 587,092,204.80
  5. Step 5: Solve for x
    x = 587,092,204.80/31,964.74
  6. Step 6: Final answer
    x = 18,366.87

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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.