Home / 31,226.12-43,092.38-17,078.66

Finding the Fourth Proportional to 31,226.12, 43,092.38 and 17,078.66

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Solution

The fourth proportional to 31,226.12, 43,092.38 and 17,078.66 is: 23,568.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,226.12 : 43,092.38 = 17,078.66 : x
  2. Step 2: Convert to fraction form
    31,226.12/43,092.38 = 17,078.66/x
  3. Step 3: Cross multiply
    31,226.12x = 43,092.38 × 17,078.66
  4. Step 4: Simplify right side
    31,226.12x = 735,960,106.61
  5. Step 5: Solve for x
    x = 735,960,106.61/31,226.12
  6. Step 6: Final answer
    x = 23,568.73

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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.