Home / 54,582.44-81,856.24-21,294.40

Finding the Fourth Proportional to 54,582.44, 81,856.24 and 21,294.40

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Solution

The fourth proportional to 54,582.44, 81,856.24 and 21,294.40 is: 31,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,582.44 : 81,856.24 = 21,294.40 : x
  2. Step 2: Convert to fraction form
    54,582.44/81,856.24 = 21,294.40/x
  3. Step 3: Cross multiply
    54,582.44x = 81,856.24 × 21,294.40
  4. Step 4: Simplify right side
    54,582.44x = 1,743,079,517.06
  5. Step 5: Solve for x
    x = 1,743,079,517.06/54,582.44
  6. Step 6: Final answer
    x = 31,934.80

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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.