Home / 31,708.67-43,757.93-17,561.50

Finding the Fourth Proportional to 31,708.67, 43,757.93 and 17,561.50

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Solution

The fourth proportional to 31,708.67, 43,757.93 and 17,561.50 is: 24,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,708.67 : 43,757.93 = 17,561.50 : x
  2. Step 2: Convert to fraction form
    31,708.67/43,757.93 = 17,561.50/x
  3. Step 3: Cross multiply
    31,708.67x = 43,757.93 × 17,561.50
  4. Step 4: Simplify right side
    31,708.67x = 768,454,887.70
  5. Step 5: Solve for x
    x = 768,454,887.70/31,708.67
  6. Step 6: Final answer
    x = 24,234.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.