Home / 36,481.12-54,724.38-13,107.76

Finding the Fourth Proportional to 36,481.12, 54,724.38 and 13,107.76

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Solution

The fourth proportional to 36,481.12, 54,724.38 and 13,107.76 is: 19,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,481.12 : 54,724.38 = 13,107.76 : x
  2. Step 2: Convert to fraction form
    36,481.12/54,724.38 = 13,107.76/x
  3. Step 3: Cross multiply
    36,481.12x = 54,724.38 × 13,107.76
  4. Step 4: Simplify right side
    36,481.12x = 717,314,039.19
  5. Step 5: Solve for x
    x = 717,314,039.19/36,481.12
  6. Step 6: Final answer
    x = 19,662.61

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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.