Home / 54,885-75,742.62-33,651.96

Finding the Fourth Proportional to 54,885, 75,742.62 and 33,651.96

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Solution

The fourth proportional to 54,885, 75,742.62 and 33,651.96 is: 46,440.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,885 : 75,742.62 = 33,651.96 : x
  2. Step 2: Convert to fraction form
    54,885/75,742.62 = 33,651.96/x
  3. Step 3: Cross multiply
    54,885x = 75,742.62 × 33,651.96
  4. Step 4: Simplify right side
    54,885x = 2,548,887,618.54
  5. Step 5: Solve for x
    x = 2,548,887,618.54/54,885
  6. Step 6: Final answer
    x = 46,440.51

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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.