Home / 54,286.21-74,914.55-30,413.08

Finding the Fourth Proportional to 54,286.21, 74,914.55 and 30,413.08

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Solution

The fourth proportional to 54,286.21, 74,914.55 and 30,413.08 is: 41,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,286.21 : 74,914.55 = 30,413.08 : x
  2. Step 2: Convert to fraction form
    54,286.21/74,914.55 = 30,413.08/x
  3. Step 3: Cross multiply
    54,286.21x = 74,914.55 × 30,413.08
  4. Step 4: Simplify right side
    54,286.21x = 2,278,382,202.31
  5. Step 5: Solve for x
    x = 2,278,382,202.31/54,286.21
  6. Step 6: Final answer
    x = 41,969.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.