Home / 20,441.76-30,662.56-5,650.57

Finding the Fourth Proportional to 20,441.76, 30,662.56 and 5,650.57

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Solution

The fourth proportional to 20,441.76, 30,662.56 and 5,650.57 is: 8,475.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441.76 : 30,662.56 = 5,650.57 : x
  2. Step 2: Convert to fraction form
    20,441.76/30,662.56 = 5,650.57/x
  3. Step 3: Cross multiply
    20,441.76x = 30,662.56 × 5,650.57
  4. Step 4: Simplify right side
    20,441.76x = 173,260,941.66
  5. Step 5: Solve for x
    x = 173,260,941.66/20,441.76
  6. Step 6: Final answer
    x = 8,475.83

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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.