Home / 54,123.60-74,690.85-30,249.77

Finding the Fourth Proportional to 54,123.60, 74,690.85 and 30,249.77

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Solution

The fourth proportional to 54,123.60, 74,690.85 and 30,249.77 is: 41,744.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,123.60 : 74,690.85 = 30,249.77 : x
  2. Step 2: Convert to fraction form
    54,123.60/74,690.85 = 30,249.77/x
  3. Step 3: Cross multiply
    54,123.60x = 74,690.85 × 30,249.77
  4. Step 4: Simplify right side
    54,123.60x = 2,259,380,660.15
  5. Step 5: Solve for x
    x = 2,259,380,660.15/54,123.60
  6. Step 6: Final answer
    x = 41,744.83

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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.