Home / 54,464.30-81,696.45-19,405.10

Finding the Fourth Proportional to 54,464.30, 81,696.45 and 19,405.10

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Solution

The fourth proportional to 54,464.30, 81,696.45 and 19,405.10 is: 29,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,464.30 : 81,696.45 = 19,405.10 : x
  2. Step 2: Convert to fraction form
    54,464.30/81,696.45 = 19,405.10/x
  3. Step 3: Cross multiply
    54,464.30x = 81,696.45 × 19,405.10
  4. Step 4: Simplify right side
    54,464.30x = 1,585,327,781.90
  5. Step 5: Solve for x
    x = 1,585,327,781.90/54,464.30
  6. Step 6: Final answer
    x = 29,107.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.