Home / 36,118.12-54,171.42-12,741.16

Finding the Fourth Proportional to 36,118.12, 54,171.42 and 12,741.16

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Solution

The fourth proportional to 36,118.12, 54,171.42 and 12,741.16 is: 19,109.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,118.12 : 54,171.42 = 12,741.16 : x
  2. Step 2: Convert to fraction form
    36,118.12/54,171.42 = 12,741.16/x
  3. Step 3: Cross multiply
    36,118.12x = 54,171.42 × 12,741.16
  4. Step 4: Simplify right side
    36,118.12x = 690,206,729.65
  5. Step 5: Solve for x
    x = 690,206,729.65/36,118.12
  6. Step 6: Final answer
    x = 19,109.71

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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.