Home / 31,532.70-47,231.19-14,867.76

Finding the Fourth Proportional to 31,532.70, 47,231.19 and 14,867.76

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Solution

The fourth proportional to 31,532.70, 47,231.19 and 14,867.76 is: 22,269.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,532.70 : 47,231.19 = 14,867.76 : x
  2. Step 2: Convert to fraction form
    31,532.70/47,231.19 = 14,867.76/x
  3. Step 3: Cross multiply
    31,532.70x = 47,231.19 × 14,867.76
  4. Step 4: Simplify right side
    31,532.70x = 702,221,997.43
  5. Step 5: Solve for x
    x = 702,221,997.43/31,532.70
  6. Step 6: Final answer
    x = 22,269.64

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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.