Home / 31,570.92-43,568.13-17,230.86

Finding the Fourth Proportional to 31,570.92, 43,568.13 and 17,230.86

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Solution

The fourth proportional to 31,570.92, 43,568.13 and 17,230.86 is: 23,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,570.92 : 43,568.13 = 17,230.86 : x
  2. Step 2: Convert to fraction form
    31,570.92/43,568.13 = 17,230.86/x
  3. Step 3: Cross multiply
    31,570.92x = 43,568.13 × 17,230.86
  4. Step 4: Simplify right side
    31,570.92x = 750,716,348.49
  5. Step 5: Solve for x
    x = 750,716,348.49/31,570.92
  6. Step 6: Final answer
    x = 23,778.73

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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.