Home / 31,588.38-43,591.96-18,162.26

Finding the Fourth Proportional to 31,588.38, 43,591.96 and 18,162.26

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Solution

The fourth proportional to 31,588.38, 43,591.96 and 18,162.26 is: 25,063.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,588.38 : 43,591.96 = 18,162.26 : x
  2. Step 2: Convert to fraction form
    31,588.38/43,591.96 = 18,162.26/x
  3. Step 3: Cross multiply
    31,588.38x = 43,591.96 × 18,162.26
  4. Step 4: Simplify right side
    31,588.38x = 791,728,511.43
  5. Step 5: Solve for x
    x = 791,728,511.43/31,588.38
  6. Step 6: Final answer
    x = 25,063.92

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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.