Home / 31,857.13-43,963.34-17,517.57

Finding the Fourth Proportional to 31,857.13, 43,963.34 and 17,517.57

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Solution

The fourth proportional to 31,857.13, 43,963.34 and 17,517.57 is: 24,174.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,857.13 : 43,963.34 = 17,517.57 : x
  2. Step 2: Convert to fraction form
    31,857.13/43,963.34 = 17,517.57/x
  3. Step 3: Cross multiply
    31,857.13x = 43,963.34 × 17,517.57
  4. Step 4: Simplify right side
    31,857.13x = 770,130,885.88
  5. Step 5: Solve for x
    x = 770,130,885.88/31,857.13
  6. Step 6: Final answer
    x = 24,174.52

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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.