Home / 20,379.18-30,563.22-5,584.52

Finding the Fourth Proportional to 20,379.18, 30,563.22 and 5,584.52

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Solution

The fourth proportional to 20,379.18, 30,563.22 and 5,584.52 is: 8,375.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,379.18 : 30,563.22 = 5,584.52 : x
  2. Step 2: Convert to fraction form
    20,379.18/30,563.22 = 5,584.52/x
  3. Step 3: Cross multiply
    20,379.18x = 30,563.22 × 5,584.52
  4. Step 4: Simplify right side
    20,379.18x = 170,680,913.35
  5. Step 5: Solve for x
    x = 170,680,913.35/20,379.18
  6. Step 6: Final answer
    x = 8,375.26

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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.