Home / 54,354.12-74,993.25-31,694.05

Finding the Fourth Proportional to 54,354.12, 74,993.25 and 31,694.05

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Solution

The fourth proportional to 54,354.12, 74,993.25 and 31,694.05 is: 43,728.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,354.12 : 74,993.25 = 31,694.05 : x
  2. Step 2: Convert to fraction form
    54,354.12/74,993.25 = 31,694.05/x
  3. Step 3: Cross multiply
    54,354.12x = 74,993.25 × 31,694.05
  4. Step 4: Simplify right side
    54,354.12x = 2,376,839,815.16
  5. Step 5: Solve for x
    x = 2,376,839,815.16/54,354.12
  6. Step 6: Final answer
    x = 43,728.79

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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.