Home / 45,471.78-68,217.39-22,111.38

Finding the Fourth Proportional to 45,471.78, 68,217.39 and 22,111.38

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Solution

The fourth proportional to 45,471.78, 68,217.39 and 22,111.38 is: 33,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,471.78 : 68,217.39 = 22,111.38 : x
  2. Step 2: Convert to fraction form
    45,471.78/68,217.39 = 22,111.38/x
  3. Step 3: Cross multiply
    45,471.78x = 68,217.39 × 22,111.38
  4. Step 4: Simplify right side
    45,471.78x = 1,508,380,632.90
  5. Step 5: Solve for x
    x = 1,508,380,632.90/45,471.78
  6. Step 6: Final answer
    x = 33,171.80

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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.