Home / 31,701.16-43,747.28-17,165.27

Finding the Fourth Proportional to 31,701.16, 43,747.28 and 17,165.27

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Solution

The fourth proportional to 31,701.16, 43,747.28 and 17,165.27 is: 23,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,701.16 : 43,747.28 = 17,165.27 : x
  2. Step 2: Convert to fraction form
    31,701.16/43,747.28 = 17,165.27/x
  3. Step 3: Cross multiply
    31,701.16x = 43,747.28 × 17,165.27
  4. Step 4: Simplify right side
    31,701.16x = 750,933,970.56
  5. Step 5: Solve for x
    x = 750,933,970.56/31,701.16
  6. Step 6: Final answer
    x = 23,687.90

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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.