Home / 54,286.00-81,413.38-18,738.08

Finding the Fourth Proportional to 54,286.00, 81,413.38 and 18,738.08

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Solution

The fourth proportional to 54,286.00, 81,413.38 and 18,738.08 is: 28,101.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,286.00 : 81,413.38 = 18,738.08 : x
  2. Step 2: Convert to fraction form
    54,286.00/81,413.38 = 18,738.08/x
  3. Step 3: Cross multiply
    54,286.00x = 81,413.38 × 18,738.08
  4. Step 4: Simplify right side
    54,286.00x = 1,525,530,349.17
  5. Step 5: Solve for x
    x = 1,525,530,349.17/54,286.00
  6. Step 6: Final answer
    x = 28,101.73

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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.