Home / 54,910.20-82,368.90-15,468.60

Finding the Fourth Proportional to 54,910.20, 82,368.90 and 15,468.60

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Solution

The fourth proportional to 54,910.20, 82,368.90 and 15,468.60 is: 23,203.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,910.20 : 82,368.90 = 15,468.60 : x
  2. Step 2: Convert to fraction form
    54,910.20/82,368.90 = 15,468.60/x
  3. Step 3: Cross multiply
    54,910.20x = 82,368.90 × 15,468.60
  4. Step 4: Simplify right side
    54,910.20x = 1,274,131,566.54
  5. Step 5: Solve for x
    x = 1,274,131,566.54/54,910.20
  6. Step 6: Final answer
    x = 23,203.91

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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.