Home / 31,254.46-43,131.17-17,107.38

Finding the Fourth Proportional to 31,254.46, 43,131.17 and 17,107.38

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Solution

The fourth proportional to 31,254.46, 43,131.17 and 17,107.38 is: 23,608.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254.46 : 43,131.17 = 17,107.38 : x
  2. Step 2: Convert to fraction form
    31,254.46/43,131.17 = 17,107.38/x
  3. Step 3: Cross multiply
    31,254.46x = 43,131.17 × 17,107.38
  4. Step 4: Simplify right side
    31,254.46x = 737,861,315.03
  5. Step 5: Solve for x
    x = 737,861,315.03/31,254.46
  6. Step 6: Final answer
    x = 23,608.19

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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.