Home / 54,638.25-81,970.28-17,198.33

Finding the Fourth Proportional to 54,638.25, 81,970.28 and 17,198.33

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Solution

The fourth proportional to 54,638.25, 81,970.28 and 17,198.33 is: 25,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,638.25 : 81,970.28 = 17,198.33 : x
  2. Step 2: Convert to fraction form
    54,638.25/81,970.28 = 17,198.33/x
  3. Step 3: Cross multiply
    54,638.25x = 81,970.28 × 17,198.33
  4. Step 4: Simplify right side
    54,638.25x = 1,409,751,494.28
  5. Step 5: Solve for x
    x = 1,409,751,494.28/54,638.25
  6. Step 6: Final answer
    x = 25,801.55

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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.