Home / 20,552.10-30,829.52-5,761.60

Finding the Fourth Proportional to 20,552.10, 30,829.52 and 5,761.60

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Solution

The fourth proportional to 20,552.10, 30,829.52 and 5,761.60 is: 8,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.10 : 30,829.52 = 5,761.60 : x
  2. Step 2: Convert to fraction form
    20,552.10/30,829.52 = 5,761.60/x
  3. Step 3: Cross multiply
    20,552.10x = 30,829.52 × 5,761.60
  4. Step 4: Simplify right side
    20,552.10x = 177,627,362.43
  5. Step 5: Solve for x
    x = 177,627,362.43/20,552.10
  6. Step 6: Final answer
    x = 8,642.78

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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.