Home / 54,393.12-81,414.56-28,061.60

Finding the Fourth Proportional to 54,393.12, 81,414.56 and 28,061.60

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Solution

The fourth proportional to 54,393.12, 81,414.56 and 28,061.60 is: 42,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,393.12 : 81,414.56 = 28,061.60 : x
  2. Step 2: Convert to fraction form
    54,393.12/81,414.56 = 28,061.60/x
  3. Step 3: Cross multiply
    54,393.12x = 81,414.56 × 28,061.60
  4. Step 4: Simplify right side
    54,393.12x = 2,284,622,816.90
  5. Step 5: Solve for x
    x = 2,284,622,816.90/54,393.12
  6. Step 6: Final answer
    x = 42,002.05

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1.5x scale

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.