Home / 54,296.94-81,456.27-18,759.54

Finding the Fourth Proportional to 54,296.94, 81,456.27 and 18,759.54

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Solution

The fourth proportional to 54,296.94, 81,456.27 and 18,759.54 is: 28,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,296.94 : 81,456.27 = 18,759.54 : x
  2. Step 2: Convert to fraction form
    54,296.94/81,456.27 = 18,759.54/x
  3. Step 3: Cross multiply
    54,296.94x = 81,456.27 × 18,759.54
  4. Step 4: Simplify right side
    54,296.94x = 1,528,082,390.43
  5. Step 5: Solve for x
    x = 1,528,082,390.43/54,296.94
  6. Step 6: Final answer
    x = 28,143.06

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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.