Home / 54,121.29-74,687.18-30,247.76

Finding the Fourth Proportional to 54,121.29, 74,687.18 and 30,247.76

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Solution

The fourth proportional to 54,121.29, 74,687.18 and 30,247.76 is: 41,741.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,121.29 : 74,687.18 = 30,247.76 : x
  2. Step 2: Convert to fraction form
    54,121.29/74,687.18 = 30,247.76/x
  3. Step 3: Cross multiply
    54,121.29x = 74,687.18 × 30,247.76
  4. Step 4: Simplify right side
    54,121.29x = 2,259,119,371.04
  5. Step 5: Solve for x
    x = 2,259,119,371.04/54,121.29
  6. Step 6: Final answer
    x = 41,741.79

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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.