Home / 54,286.44-74,914.38-30,413.40

Finding the Fourth Proportional to 54,286.44, 74,914.38 and 30,413.40

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Solution

The fourth proportional to 54,286.44, 74,914.38 and 30,413.40 is: 41,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,286.44 : 74,914.38 = 30,413.40 : x
  2. Step 2: Convert to fraction form
    54,286.44/74,914.38 = 30,413.40/x
  3. Step 3: Cross multiply
    54,286.44x = 74,914.38 × 30,413.40
  4. Step 4: Simplify right side
    54,286.44x = 2,278,401,004.69
  5. Step 5: Solve for x
    x = 2,278,401,004.69/54,286.44
  6. Step 6: Final answer
    x = 41,969.98

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1.5x scale

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.