Home / 31,481.03-43,443.87-17,333.92

Finding the Fourth Proportional to 31,481.03, 43,443.87 and 17,333.92

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Solution

The fourth proportional to 31,481.03, 43,443.87 and 17,333.92 is: 23,920.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,481.03 : 43,443.87 = 17,333.92 : x
  2. Step 2: Convert to fraction form
    31,481.03/43,443.87 = 17,333.92/x
  3. Step 3: Cross multiply
    31,481.03x = 43,443.87 × 17,333.92
  4. Step 4: Simplify right side
    31,481.03x = 753,052,349.85
  5. Step 5: Solve for x
    x = 753,052,349.85/31,481.03
  6. Step 6: Final answer
    x = 23,920.83

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1.5x scale

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.