Home / 31,722.89-47,584.87-12,010.73

Finding the Fourth Proportional to 31,722.89, 47,584.87 and 12,010.73

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Solution

The fourth proportional to 31,722.89, 47,584.87 and 12,010.73 is: 18,016.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,722.89 : 47,584.87 = 12,010.73 : x
  2. Step 2: Convert to fraction form
    31,722.89/47,584.87 = 12,010.73/x
  3. Step 3: Cross multiply
    31,722.89x = 47,584.87 × 12,010.73
  4. Step 4: Simplify right side
    31,722.89x = 571,528,757.70
  5. Step 5: Solve for x
    x = 571,528,757.70/31,722.89
  6. Step 6: Final answer
    x = 18,016.29

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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.