Home / 36,143.20-54,187.01-18,359.25

Finding the Fourth Proportional to 36,143.20, 54,187.01 and 18,359.25

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Solution

The fourth proportional to 36,143.20, 54,187.01 and 18,359.25 is: 27,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,143.20 : 54,187.01 = 18,359.25 : x
  2. Step 2: Convert to fraction form
    36,143.20/54,187.01 = 18,359.25/x
  3. Step 3: Cross multiply
    36,143.20x = 54,187.01 × 18,359.25
  4. Step 4: Simplify right side
    36,143.20x = 994,832,863.34
  5. Step 5: Solve for x
    x = 994,832,863.34/36,143.20
  6. Step 6: Final answer
    x = 27,524.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.