Home / 54,413.84-81,591.77-18,866.12

Finding the Fourth Proportional to 54,413.84, 81,591.77 and 18,866.12

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Solution

The fourth proportional to 54,413.84, 81,591.77 and 18,866.12 is: 28,289.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,413.84 : 81,591.77 = 18,866.12 : x
  2. Step 2: Convert to fraction form
    54,413.84/81,591.77 = 18,866.12/x
  3. Step 3: Cross multiply
    54,413.84x = 81,591.77 × 18,866.12
  4. Step 4: Simplify right side
    54,413.84x = 1,539,319,763.04
  5. Step 5: Solve for x
    x = 1,539,319,763.04/54,413.84
  6. Step 6: Final answer
    x = 28,289.12

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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.