Home / 54,449.44-81,677.24-19,389.10

Finding the Fourth Proportional to 54,449.44, 81,677.24 and 19,389.10

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Solution

The fourth proportional to 54,449.44, 81,677.24 and 19,389.10 is: 29,084.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,449.44 : 81,677.24 = 19,389.10 : x
  2. Step 2: Convert to fraction form
    54,449.44/81,677.24 = 19,389.10/x
  3. Step 3: Cross multiply
    54,449.44x = 81,677.24 × 19,389.10
  4. Step 4: Simplify right side
    54,449.44x = 1,583,647,872.95
  5. Step 5: Solve for x
    x = 1,583,647,872.95/54,449.44
  6. Step 6: Final answer
    x = 29,084.74

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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.