Home / 54,741.20-81,982.20-37,115.60

Finding the Fourth Proportional to 54,741.20, 81,982.20 and 37,115.60

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Solution

The fourth proportional to 54,741.20, 81,982.20 and 37,115.60 is: 55,585.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,741.20 : 81,982.20 = 37,115.60 : x
  2. Step 2: Convert to fraction form
    54,741.20/81,982.20 = 37,115.60/x
  3. Step 3: Cross multiply
    54,741.20x = 81,982.20 × 37,115.60
  4. Step 4: Simplify right side
    54,741.20x = 3,042,818,542.32
  5. Step 5: Solve for x
    x = 3,042,818,542.32/54,741.20
  6. Step 6: Final answer
    x = 55,585.53

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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.