Home / 43,183.57-64,775.35-16,869.86

Finding the Fourth Proportional to 43,183.57, 64,775.35 and 16,869.86

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Solution

The fourth proportional to 43,183.57, 64,775.35 and 16,869.86 is: 25,304.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,183.57 : 64,775.35 = 16,869.86 : x
  2. Step 2: Convert to fraction form
    43,183.57/64,775.35 = 16,869.86/x
  3. Step 3: Cross multiply
    43,183.57x = 64,775.35 × 16,869.86
  4. Step 4: Simplify right side
    43,183.57x = 1,092,750,719.90
  5. Step 5: Solve for x
    x = 1,092,750,719.90/43,183.57
  6. Step 6: Final answer
    x = 25,304.78

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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.