Home / 31,443.24-43,381.38-18,016.04

Finding the Fourth Proportional to 31,443.24, 43,381.38 and 18,016.04

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Solution

The fourth proportional to 31,443.24, 43,381.38 and 18,016.04 is: 24,856.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,443.24 : 43,381.38 = 18,016.04 : x
  2. Step 2: Convert to fraction form
    31,443.24/43,381.38 = 18,016.04/x
  3. Step 3: Cross multiply
    31,443.24x = 43,381.38 × 18,016.04
  4. Step 4: Simplify right side
    31,443.24x = 781,560,677.34
  5. Step 5: Solve for x
    x = 781,560,677.34/31,443.24
  6. Step 6: Final answer
    x = 24,856.24

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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.