Home / 54,938.38-82,413.61-17,489.68

Finding the Fourth Proportional to 54,938.38, 82,413.61 and 17,489.68

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Solution

The fourth proportional to 54,938.38, 82,413.61 and 17,489.68 is: 26,236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,938.38 : 82,413.61 = 17,489.68 : x
  2. Step 2: Convert to fraction form
    54,938.38/82,413.61 = 17,489.68/x
  3. Step 3: Cross multiply
    54,938.38x = 82,413.61 × 17,489.68
  4. Step 4: Simplify right side
    54,938.38x = 1,441,387,666.54
  5. Step 5: Solve for x
    x = 1,441,387,666.54/54,938.38
  6. Step 6: Final answer
    x = 26,236.44

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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.