Home / 31,345.35-43,257.27-17,198.22

Finding the Fourth Proportional to 31,345.35, 43,257.27 and 17,198.22

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Solution

The fourth proportional to 31,345.35, 43,257.27 and 17,198.22 is: 23,733.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345.35 : 43,257.27 = 17,198.22 : x
  2. Step 2: Convert to fraction form
    31,345.35/43,257.27 = 17,198.22/x
  3. Step 3: Cross multiply
    31,345.35x = 43,257.27 × 17,198.22
  4. Step 4: Simplify right side
    31,345.35x = 743,948,046.06
  5. Step 5: Solve for x
    x = 743,948,046.06/31,345.35
  6. Step 6: Final answer
    x = 23,733.92

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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.