Home / 20,295.96-30,445.92-5,505

Finding the Fourth Proportional to 20,295.96, 30,445.92 and 5,505

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Solution

The fourth proportional to 20,295.96, 30,445.92 and 5,505 is: 8,258.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,295.96 : 30,445.92 = 5,505 : x
  2. Step 2: Convert to fraction form
    20,295.96/30,445.92 = 5,505/x
  3. Step 3: Cross multiply
    20,295.96x = 30,445.92 × 5,505
  4. Step 4: Simplify right side
    20,295.96x = 167,604,789.60
  5. Step 5: Solve for x
    x = 167,604,789.60/20,295.96
  6. Step 6: Final answer
    x = 8,258.04

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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.