Home / 31,790.62-43,876.30-17,648.02

Finding the Fourth Proportional to 31,790.62, 43,876.30 and 17,648.02

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Solution

The fourth proportional to 31,790.62, 43,876.30 and 17,648.02 is: 24,357.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,790.62 : 43,876.30 = 17,648.02 : x
  2. Step 2: Convert to fraction form
    31,790.62/43,876.30 = 17,648.02/x
  3. Step 3: Cross multiply
    31,790.62x = 43,876.30 × 17,648.02
  4. Step 4: Simplify right side
    31,790.62x = 774,329,819.93
  5. Step 5: Solve for x
    x = 774,329,819.93/31,790.62
  6. Step 6: Final answer
    x = 24,357.18

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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.