Home / 40,186.38-55,454.49-23,191.33

Finding the Fourth Proportional to 40,186.38, 55,454.49 and 23,191.33

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Solution

The fourth proportional to 40,186.38, 55,454.49 and 23,191.33 is: 32,002.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,186.38 : 55,454.49 = 23,191.33 : x
  2. Step 2: Convert to fraction form
    40,186.38/55,454.49 = 23,191.33/x
  3. Step 3: Cross multiply
    40,186.38x = 55,454.49 × 23,191.33
  4. Step 4: Simplify right side
    40,186.38x = 1,286,063,377.57
  5. Step 5: Solve for x
    x = 1,286,063,377.57/40,186.38
  6. Step 6: Final answer
    x = 32,002.47

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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.