Home / 54,449.85-75,138.84-30,577.53

Finding the Fourth Proportional to 54,449.85, 75,138.84 and 30,577.53

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Solution

The fourth proportional to 54,449.85, 75,138.84 and 30,577.53 is: 42,195.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,449.85 : 75,138.84 = 30,577.53 : x
  2. Step 2: Convert to fraction form
    54,449.85/75,138.84 = 30,577.53/x
  3. Step 3: Cross multiply
    54,449.85x = 75,138.84 × 30,577.53
  4. Step 4: Simplify right side
    54,449.85x = 2,297,560,134.27
  5. Step 5: Solve for x
    x = 2,297,560,134.27/54,449.85
  6. Step 6: Final answer
    x = 42,195.89

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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.