Home / 31,857.90-43,964.33-17,711.04

Finding the Fourth Proportional to 31,857.90, 43,964.33 and 17,711.04

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Solution

The fourth proportional to 31,857.90, 43,964.33 and 17,711.04 is: 24,441.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,857.90 : 43,964.33 = 17,711.04 : x
  2. Step 2: Convert to fraction form
    31,857.90/43,964.33 = 17,711.04/x
  3. Step 3: Cross multiply
    31,857.90x = 43,964.33 × 17,711.04
  4. Step 4: Simplify right side
    31,857.90x = 778,654,007.20
  5. Step 5: Solve for x
    x = 778,654,007.20/31,857.90
  6. Step 6: Final answer
    x = 24,441.47

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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.