Home / 31,627.80-43,645.74-17,481.24

Finding the Fourth Proportional to 31,627.80, 43,645.74 and 17,481.24

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Solution

The fourth proportional to 31,627.80, 43,645.74 and 17,481.24 is: 24,123.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,627.80 : 43,645.74 = 17,481.24 : x
  2. Step 2: Convert to fraction form
    31,627.80/43,645.74 = 17,481.24/x
  3. Step 3: Cross multiply
    31,627.80x = 43,645.74 × 17,481.24
  4. Step 4: Simplify right side
    31,627.80x = 762,981,655.92
  5. Step 5: Solve for x
    x = 762,981,655.92/31,627.80
  6. Step 6: Final answer
    x = 24,123.77

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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.