Home / 54,515.09-81,779.66-17,076.89

Finding the Fourth Proportional to 54,515.09, 81,779.66 and 17,076.89

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Solution

The fourth proportional to 54,515.09, 81,779.66 and 17,076.89 is: 25,617.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,515.09 : 81,779.66 = 17,076.89 : x
  2. Step 2: Convert to fraction form
    54,515.09/81,779.66 = 17,076.89/x
  3. Step 3: Cross multiply
    54,515.09x = 81,779.66 × 17,076.89
  4. Step 4: Simplify right side
    54,515.09x = 1,396,542,258.06
  5. Step 5: Solve for x
    x = 1,396,542,258.06/54,515.09
  6. Step 6: Final answer
    x = 25,617.54

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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.