Home / 36,131.28-54,161.68-15,077.38

Finding the Fourth Proportional to 36,131.28, 54,161.68 and 15,077.38

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Solution

The fourth proportional to 36,131.28, 54,161.68 and 15,077.38 is: 22,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,131.28 : 54,161.68 = 15,077.38 : x
  2. Step 2: Convert to fraction form
    36,131.28/54,161.68 = 15,077.38/x
  3. Step 3: Cross multiply
    36,131.28x = 54,161.68 × 15,077.38
  4. Step 4: Simplify right side
    36,131.28x = 816,616,230.80
  5. Step 5: Solve for x
    x = 816,616,230.80/36,131.28
  6. Step 6: Final answer
    x = 22,601.36

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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.