Home / 54,081.54-81,122.19-14,639.70

Finding the Fourth Proportional to 54,081.54, 81,122.19 and 14,639.70

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Solution

The fourth proportional to 54,081.54, 81,122.19 and 14,639.70 is: 21,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,081.54 : 81,122.19 = 14,639.70 : x
  2. Step 2: Convert to fraction form
    54,081.54/81,122.19 = 14,639.70/x
  3. Step 3: Cross multiply
    54,081.54x = 81,122.19 × 14,639.70
  4. Step 4: Simplify right side
    54,081.54x = 1,187,604,524.94
  5. Step 5: Solve for x
    x = 1,187,604,524.94/54,081.54
  6. Step 6: Final answer
    x = 21,959.52

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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.