Home / 54,122.79-74,689.25-30,249.26

Finding the Fourth Proportional to 54,122.79, 74,689.25 and 30,249.26

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Solution

The fourth proportional to 54,122.79, 74,689.25 and 30,249.26 is: 41,743.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,122.79 : 74,689.25 = 30,249.26 : x
  2. Step 2: Convert to fraction form
    54,122.79/74,689.25 = 30,249.26/x
  3. Step 3: Cross multiply
    54,122.79x = 74,689.25 × 30,249.26
  4. Step 4: Simplify right side
    54,122.79x = 2,259,294,017.76
  5. Step 5: Solve for x
    x = 2,259,294,017.76/54,122.79
  6. Step 6: Final answer
    x = 41,743.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.