Home / 36,121.55-54,183.74-11,159.37

Finding the Fourth Proportional to 36,121.55, 54,183.74 and 11,159.37

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Solution

The fourth proportional to 36,121.55, 54,183.74 and 11,159.37 is: 16,739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,121.55 : 54,183.74 = 11,159.37 : x
  2. Step 2: Convert to fraction form
    36,121.55/54,183.74 = 11,159.37/x
  3. Step 3: Cross multiply
    36,121.55x = 54,183.74 × 11,159.37
  4. Step 4: Simplify right side
    36,121.55x = 604,656,346.85
  5. Step 5: Solve for x
    x = 604,656,346.85/36,121.55
  6. Step 6: Final answer
    x = 16,739.49

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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.