Home / 20,286.90-30,432.24-5,495.94

Finding the Fourth Proportional to 20,286.90, 30,432.24 and 5,495.94

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Solution

The fourth proportional to 20,286.90, 30,432.24 and 5,495.94 is: 8,244.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,286.90 : 30,432.24 = 5,495.94 : x
  2. Step 2: Convert to fraction form
    20,286.90/30,432.24 = 5,495.94/x
  3. Step 3: Cross multiply
    20,286.90x = 30,432.24 × 5,495.94
  4. Step 4: Simplify right side
    20,286.90x = 167,253,765.11
  5. Step 5: Solve for x
    x = 167,253,765.11/20,286.90
  6. Step 6: Final answer
    x = 8,244.42

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1.5x scale

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.