Home / 54,578.61-81,867.84-17,141.60

Finding the Fourth Proportional to 54,578.61, 81,867.84 and 17,141.60

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Solution

The fourth proportional to 54,578.61, 81,867.84 and 17,141.60 is: 25,712.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,578.61 : 81,867.84 = 17,141.60 : x
  2. Step 2: Convert to fraction form
    54,578.61/81,867.84 = 17,141.60/x
  3. Step 3: Cross multiply
    54,578.61x = 81,867.84 × 17,141.60
  4. Step 4: Simplify right side
    54,578.61x = 1,403,345,356.80
  5. Step 5: Solve for x
    x = 1,403,345,356.80/54,578.61
  6. Step 6: Final answer
    x = 25,712.37

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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.