Home / 54,312.30-81,470.97-19,255.50

Finding the Fourth Proportional to 54,312.30, 81,470.97 and 19,255.50

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Solution

The fourth proportional to 54,312.30, 81,470.97 and 19,255.50 is: 28,884.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,312.30 : 81,470.97 = 19,255.50 : x
  2. Step 2: Convert to fraction form
    54,312.30/81,470.97 = 19,255.50/x
  3. Step 3: Cross multiply
    54,312.30x = 81,470.97 × 19,255.50
  4. Step 4: Simplify right side
    54,312.30x = 1,568,764,262.84
  5. Step 5: Solve for x
    x = 1,568,764,262.84/54,312.30
  6. Step 6: Final answer
    x = 28,884.14

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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.