Home / 54,919.72-75,797.31-34,778.44

Finding the Fourth Proportional to 54,919.72, 75,797.31 and 34,778.44

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Solution

The fourth proportional to 54,919.72, 75,797.31 and 34,778.44 is: 47,999.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,919.72 : 75,797.31 = 34,778.44 : x
  2. Step 2: Convert to fraction form
    54,919.72/75,797.31 = 34,778.44/x
  3. Step 3: Cross multiply
    54,919.72x = 75,797.31 × 34,778.44
  4. Step 4: Simplify right side
    54,919.72x = 2,636,112,198.00
  5. Step 5: Solve for x
    x = 2,636,112,198.00/54,919.72
  6. Step 6: Final answer
    x = 47,999.37

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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.