Home / 54,004.98-81,015.69-25,919.80

Finding the Fourth Proportional to 54,004.98, 81,015.69 and 25,919.80

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Solution

The fourth proportional to 54,004.98, 81,015.69 and 25,919.80 is: 38,883.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,004.98 : 81,015.69 = 25,919.80 : x
  2. Step 2: Convert to fraction form
    54,004.98/81,015.69 = 25,919.80/x
  3. Step 3: Cross multiply
    54,004.98x = 81,015.69 × 25,919.80
  4. Step 4: Simplify right side
    54,004.98x = 2,099,910,376.32
  5. Step 5: Solve for x
    x = 2,099,910,376.32/54,004.98
  6. Step 6: Final answer
    x = 38,883.64

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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.