Home / 43,183.56-64,765.62-28,185.96

Finding the Fourth Proportional to 43,183.56, 64,765.62 and 28,185.96

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Solution

The fourth proportional to 43,183.56, 64,765.62 and 28,185.96 is: 42,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,183.56 : 64,765.62 = 28,185.96 : x
  2. Step 2: Convert to fraction form
    43,183.56/64,765.62 = 28,185.96/x
  3. Step 3: Cross multiply
    43,183.56x = 64,765.62 × 28,185.96
  4. Step 4: Simplify right side
    43,183.56x = 1,825,481,174.70
  5. Step 5: Solve for x
    x = 1,825,481,174.70/43,183.56
  6. Step 6: Final answer
    x = 42,272.60

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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.