Home / 54,744.75-82,117.13-13,191.75

Finding the Fourth Proportional to 54,744.75, 82,117.13 and 13,191.75

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Solution

The fourth proportional to 54,744.75, 82,117.13 and 13,191.75 is: 19,787.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,744.75 : 82,117.13 = 13,191.75 : x
  2. Step 2: Convert to fraction form
    54,744.75/82,117.13 = 13,191.75/x
  3. Step 3: Cross multiply
    54,744.75x = 82,117.13 × 13,191.75
  4. Step 4: Simplify right side
    54,744.75x = 1,083,268,583.72
  5. Step 5: Solve for x
    x = 1,083,268,583.72/54,744.75
  6. Step 6: Final answer
    x = 19,787.63

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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.