Home / 31,942.16-44,078.28-18,512.36

Finding the Fourth Proportional to 31,942.16, 44,078.28 and 18,512.36

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Solution

The fourth proportional to 31,942.16, 44,078.28 and 18,512.36 is: 25,545.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,942.16 : 44,078.28 = 18,512.36 : x
  2. Step 2: Convert to fraction form
    31,942.16/44,078.28 = 18,512.36/x
  3. Step 3: Cross multiply
    31,942.16x = 44,078.28 × 18,512.36
  4. Step 4: Simplify right side
    31,942.16x = 815,992,987.54
  5. Step 5: Solve for x
    x = 815,992,987.54/31,942.16
  6. Step 6: Final answer
    x = 25,545.96

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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.