Home / 36,147.72-54,223.71-13,961.22

Finding the Fourth Proportional to 36,147.72, 54,223.71 and 13,961.22

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Solution

The fourth proportional to 36,147.72, 54,223.71 and 13,961.22 is: 20,942.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,147.72 : 54,223.71 = 13,961.22 : x
  2. Step 2: Convert to fraction form
    36,147.72/54,223.71 = 13,961.22/x
  3. Step 3: Cross multiply
    36,147.72x = 54,223.71 × 13,961.22
  4. Step 4: Simplify right side
    36,147.72x = 757,029,144.53
  5. Step 5: Solve for x
    x = 757,029,144.53/36,147.72
  6. Step 6: Final answer
    x = 20,942.65

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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.