Home / 36,049.28-54,079.68-12,676.48

Finding the Fourth Proportional to 36,049.28, 54,079.68 and 12,676.48

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Solution

The fourth proportional to 36,049.28, 54,079.68 and 12,676.48 is: 19,016.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,049.28 : 54,079.68 = 12,676.48 : x
  2. Step 2: Convert to fraction form
    36,049.28/54,079.68 = 12,676.48/x
  3. Step 3: Cross multiply
    36,049.28x = 54,079.68 × 12,676.48
  4. Step 4: Simplify right side
    36,049.28x = 685,539,981.93
  5. Step 5: Solve for x
    x = 685,539,981.93/36,049.28
  6. Step 6: Final answer
    x = 19,016.75

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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.