Home / 43,591.28-65,377.19-20,214.68

Finding the Fourth Proportional to 43,591.28, 65,377.19 and 20,214.68

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Solution

The fourth proportional to 43,591.28, 65,377.19 and 20,214.68 is: 30,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,591.28 : 65,377.19 = 20,214.68 : x
  2. Step 2: Convert to fraction form
    43,591.28/65,377.19 = 20,214.68/x
  3. Step 3: Cross multiply
    43,591.28x = 65,377.19 × 20,214.68
  4. Step 4: Simplify right side
    43,591.28x = 1,321,578,975.15
  5. Step 5: Solve for x
    x = 1,321,578,975.15/43,591.28
  6. Step 6: Final answer
    x = 30,317.51

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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.