Home / 54,122.85-74,689.29-30,249.59

Finding the Fourth Proportional to 54,122.85, 74,689.29 and 30,249.59

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Solution

The fourth proportional to 54,122.85, 74,689.29 and 30,249.59 is: 41,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,122.85 : 74,689.29 = 30,249.59 : x
  2. Step 2: Convert to fraction form
    54,122.85/74,689.29 = 30,249.59/x
  3. Step 3: Cross multiply
    54,122.85x = 74,689.29 × 30,249.59
  4. Step 4: Simplify right side
    54,122.85x = 2,259,320,026.44
  5. Step 5: Solve for x
    x = 2,259,320,026.44/54,122.85
  6. Step 6: Final answer
    x = 41,744.29

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1.5x scale

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.