Home / 57,684.56-86,565.44-20,244.80

Finding the Fourth Proportional to 57,684.56, 86,565.44 and 20,244.80

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Solution

The fourth proportional to 57,684.56, 86,565.44 and 20,244.80 is: 30,380.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,684.56 : 86,565.44 = 20,244.80 : x
  2. Step 2: Convert to fraction form
    57,684.56/86,565.44 = 20,244.80/x
  3. Step 3: Cross multiply
    57,684.56x = 86,565.44 × 20,244.80
  4. Step 4: Simplify right side
    57,684.56x = 1,752,500,286.74
  5. Step 5: Solve for x
    x = 1,752,500,286.74/57,684.56
  6. Step 6: Final answer
    x = 30,380.75

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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.