Home / 36,120.62-54,169.83-12,741.59

Finding the Fourth Proportional to 36,120.62, 54,169.83 and 12,741.59

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Solution

The fourth proportional to 36,120.62, 54,169.83 and 12,741.59 is: 19,108.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,120.62 : 54,169.83 = 12,741.59 : x
  2. Step 2: Convert to fraction form
    36,120.62/54,169.83 = 12,741.59/x
  3. Step 3: Cross multiply
    36,120.62x = 54,169.83 × 12,741.59
  4. Step 4: Simplify right side
    36,120.62x = 690,209,764.23
  5. Step 5: Solve for x
    x = 690,209,764.23/36,120.62
  6. Step 6: Final answer
    x = 19,108.47

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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.