Home / 54,845.24-75,682.12-30,974.28

Finding the Fourth Proportional to 54,845.24, 75,682.12 and 30,974.28

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Solution

The fourth proportional to 54,845.24, 75,682.12 and 30,974.28 is: 42,742.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,845.24 : 75,682.12 = 30,974.28 : x
  2. Step 2: Convert to fraction form
    54,845.24/75,682.12 = 30,974.28/x
  3. Step 3: Cross multiply
    54,845.24x = 75,682.12 × 30,974.28
  4. Step 4: Simplify right side
    54,845.24x = 2,344,199,175.87
  5. Step 5: Solve for x
    x = 2,344,199,175.87/54,845.24
  6. Step 6: Final answer
    x = 42,742.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.