Home / 54,942.62-82,413.92-19,874.07

Finding the Fourth Proportional to 54,942.62, 82,413.92 and 19,874.07

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Solution

The fourth proportional to 54,942.62, 82,413.92 and 19,874.07 is: 29,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,942.62 : 82,413.92 = 19,874.07 : x
  2. Step 2: Convert to fraction form
    54,942.62/82,413.92 = 19,874.07/x
  3. Step 3: Cross multiply
    54,942.62x = 82,413.92 × 19,874.07
  4. Step 4: Simplify right side
    54,942.62x = 1,637,899,915.68
  5. Step 5: Solve for x
    x = 1,637,899,915.68/54,942.62
  6. Step 6: Final answer
    x = 29,811.10

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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.