Home / 54,860.19-82,310.79-21,603.44

Finding the Fourth Proportional to 54,860.19, 82,310.79 and 21,603.44

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Solution

The fourth proportional to 54,860.19, 82,310.79 and 21,603.44 is: 32,413.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,860.19 : 82,310.79 = 21,603.44 : x
  2. Step 2: Convert to fraction form
    54,860.19/82,310.79 = 21,603.44/x
  3. Step 3: Cross multiply
    54,860.19x = 82,310.79 × 21,603.44
  4. Step 4: Simplify right side
    54,860.19x = 1,778,195,693.55
  5. Step 5: Solve for x
    x = 1,778,195,693.55/54,860.19
  6. Step 6: Final answer
    x = 32,413.23

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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.