Home / 54,122.91-74,687.04-30,249.39

Finding the Fourth Proportional to 54,122.91, 74,687.04 and 30,249.39

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Solution

The fourth proportional to 54,122.91, 74,687.04 and 30,249.39 is: 41,742.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,122.91 : 74,687.04 = 30,249.39 : x
  2. Step 2: Convert to fraction form
    54,122.91/74,687.04 = 30,249.39/x
  3. Step 3: Cross multiply
    54,122.91x = 74,687.04 × 30,249.39
  4. Step 4: Simplify right side
    54,122.91x = 2,259,237,400.91
  5. Step 5: Solve for x
    x = 2,259,237,400.91/54,122.91
  6. Step 6: Final answer
    x = 41,742.72

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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.