Home / 43,481.28-65,183.52-18,843.84

Finding the Fourth Proportional to 43,481.28, 65,183.52 and 18,843.84

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Solution

The fourth proportional to 43,481.28, 65,183.52 and 18,843.84 is: 28,249.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,481.28 : 65,183.52 = 18,843.84 : x
  2. Step 2: Convert to fraction form
    43,481.28/65,183.52 = 18,843.84/x
  3. Step 3: Cross multiply
    43,481.28x = 65,183.52 × 18,843.84
  4. Step 4: Simplify right side
    43,481.28x = 1,228,307,821.52
  5. Step 5: Solve for x
    x = 1,228,307,821.52/43,481.28
  6. Step 6: Final answer
    x = 28,249.12

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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.