Home / 31,708.19-43,758.49-18,098.44

Finding the Fourth Proportional to 31,708.19, 43,758.49 and 18,098.44

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Solution

The fourth proportional to 31,708.19, 43,758.49 and 18,098.44 is: 24,976.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,708.19 : 43,758.49 = 18,098.44 : x
  2. Step 2: Convert to fraction form
    31,708.19/43,758.49 = 18,098.44/x
  3. Step 3: Cross multiply
    31,708.19x = 43,758.49 × 18,098.44
  4. Step 4: Simplify right side
    31,708.19x = 791,960,405.76
  5. Step 5: Solve for x
    x = 791,960,405.76/31,708.19
  6. Step 6: Final answer
    x = 24,976.53

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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.