Home / 54,231.86-81,387.79-25,768.97

Finding the Fourth Proportional to 54,231.86, 81,387.79 and 25,768.97

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Solution

The fourth proportional to 54,231.86, 81,387.79 and 25,768.97 is: 38,672.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,231.86 : 81,387.79 = 25,768.97 : x
  2. Step 2: Convert to fraction form
    54,231.86/81,387.79 = 25,768.97/x
  3. Step 3: Cross multiply
    54,231.86x = 81,387.79 × 25,768.97
  4. Step 4: Simplify right side
    54,231.86x = 2,097,279,352.72
  5. Step 5: Solve for x
    x = 2,097,279,352.72/54,231.86
  6. Step 6: Final answer
    x = 38,672.46

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1.5x scale

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.