Home / 31,872.23-43,982.66-17,531.96

Finding the Fourth Proportional to 31,872.23, 43,982.66 and 17,531.96

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Solution

The fourth proportional to 31,872.23, 43,982.66 and 17,531.96 is: 24,193.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872.23 : 43,982.66 = 17,531.96 : x
  2. Step 2: Convert to fraction form
    31,872.23/43,982.66 = 17,531.96/x
  3. Step 3: Cross multiply
    31,872.23x = 43,982.66 × 17,531.96
  4. Step 4: Simplify right side
    31,872.23x = 771,101,928.24
  5. Step 5: Solve for x
    x = 771,101,928.24/31,872.23
  6. Step 6: Final answer
    x = 24,193.54

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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.