Home / 54,414.63-81,632.39-18,874.58

Finding the Fourth Proportional to 54,414.63, 81,632.39 and 18,874.58

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Solution

The fourth proportional to 54,414.63, 81,632.39 and 18,874.58 is: 28,315.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,414.63 : 81,632.39 = 18,874.58 : x
  2. Step 2: Convert to fraction form
    54,414.63/81,632.39 = 18,874.58/x
  3. Step 3: Cross multiply
    54,414.63x = 81,632.39 × 18,874.58
  4. Step 4: Simplify right side
    54,414.63x = 1,540,776,573.11
  5. Step 5: Solve for x
    x = 1,540,776,573.11/54,414.63
  6. Step 6: Final answer
    x = 28,315.48

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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.