Home / 36,147.96-54,180.36-13,951.62

Finding the Fourth Proportional to 36,147.96, 54,180.36 and 13,951.62

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Solution

The fourth proportional to 36,147.96, 54,180.36 and 13,951.62 is: 20,911.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,147.96 : 54,180.36 = 13,951.62 : x
  2. Step 2: Convert to fraction form
    36,147.96/54,180.36 = 13,951.62/x
  3. Step 3: Cross multiply
    36,147.96x = 54,180.36 × 13,951.62
  4. Step 4: Simplify right side
    36,147.96x = 755,903,794.18
  5. Step 5: Solve for x
    x = 755,903,794.18/36,147.96
  6. Step 6: Final answer
    x = 20,911.38

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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.