Home / 31,251.16-43,127.70-17,104

Finding the Fourth Proportional to 31,251.16, 43,127.70 and 17,104

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Solution

The fourth proportional to 31,251.16, 43,127.70 and 17,104 is: 23,604.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,251.16 : 43,127.70 = 17,104 : x
  2. Step 2: Convert to fraction form
    31,251.16/43,127.70 = 17,104/x
  3. Step 3: Cross multiply
    31,251.16x = 43,127.70 × 17,104
  4. Step 4: Simplify right side
    31,251.16x = 737,656,180.80
  5. Step 5: Solve for x
    x = 737,656,180.80/31,251.16
  6. Step 6: Final answer
    x = 23,604.12

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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.