Home / 54,212.19-81,336.20-34,198.57

Finding the Fourth Proportional to 54,212.19, 81,336.20 and 34,198.57

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Solution

The fourth proportional to 54,212.19, 81,336.20 and 34,198.57 is: 51,309.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,212.19 : 81,336.20 = 34,198.57 : x
  2. Step 2: Convert to fraction form
    54,212.19/81,336.20 = 34,198.57/x
  3. Step 3: Cross multiply
    54,212.19x = 81,336.20 × 34,198.57
  4. Step 4: Simplify right side
    54,212.19x = 2,781,581,852.28
  5. Step 5: Solve for x
    x = 2,781,581,852.28/54,212.19
  6. Step 6: Final answer
    x = 51,309.16

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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.