Home / 54,625.53-81,940.32-19,565.13

Finding the Fourth Proportional to 54,625.53, 81,940.32 and 19,565.13

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Solution

The fourth proportional to 54,625.53, 81,940.32 and 19,565.13 is: 29,348.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,625.53 : 81,940.32 = 19,565.13 : x
  2. Step 2: Convert to fraction form
    54,625.53/81,940.32 = 19,565.13/x
  3. Step 3: Cross multiply
    54,625.53x = 81,940.32 × 19,565.13
  4. Step 4: Simplify right side
    54,625.53x = 1,603,173,013.04
  5. Step 5: Solve for x
    x = 1,603,173,013.04/54,625.53
  6. Step 6: Final answer
    x = 29,348.42

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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.