Home / 54,074.78-81,114.40-18,560.50

Finding the Fourth Proportional to 54,074.78, 81,114.40 and 18,560.50

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Solution

The fourth proportional to 54,074.78, 81,114.40 and 18,560.50 is: 27,841.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,074.78 : 81,114.40 = 18,560.50 : x
  2. Step 2: Convert to fraction form
    54,074.78/81,114.40 = 18,560.50/x
  3. Step 3: Cross multiply
    54,074.78x = 81,114.40 × 18,560.50
  4. Step 4: Simplify right side
    54,074.78x = 1,505,523,821.20
  5. Step 5: Solve for x
    x = 1,505,523,821.20/54,074.78
  6. Step 6: Final answer
    x = 27,841.52

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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.