Home / 54,308.36-81,356.49-25,804.75

Finding the Fourth Proportional to 54,308.36, 81,356.49 and 25,804.75

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Solution

The fourth proportional to 54,308.36, 81,356.49 and 25,804.75 is: 38,656.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,308.36 : 81,356.49 = 25,804.75 : x
  2. Step 2: Convert to fraction form
    54,308.36/81,356.49 = 25,804.75/x
  3. Step 3: Cross multiply
    54,308.36x = 81,356.49 × 25,804.75
  4. Step 4: Simplify right side
    54,308.36x = 2,099,383,756.30
  5. Step 5: Solve for x
    x = 2,099,383,756.30/54,308.36
  6. Step 6: Final answer
    x = 38,656.73

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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.