Home / 36,108.78-54,164.61-11,146.62

Finding the Fourth Proportional to 36,108.78, 54,164.61 and 11,146.62

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Solution

The fourth proportional to 36,108.78, 54,164.61 and 11,146.62 is: 16,720.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,108.78 : 54,164.61 = 11,146.62 : x
  2. Step 2: Convert to fraction form
    36,108.78/54,164.61 = 11,146.62/x
  3. Step 3: Cross multiply
    36,108.78x = 54,164.61 × 11,146.62
  4. Step 4: Simplify right side
    36,108.78x = 603,752,325.12
  5. Step 5: Solve for x
    x = 603,752,325.12/36,108.78
  6. Step 6: Final answer
    x = 16,720.37

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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.