Home / 49,745.43-68,672.15-31,850.81

Finding the Fourth Proportional to 49,745.43, 68,672.15 and 31,850.81

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Solution

The fourth proportional to 49,745.43, 68,672.15 and 31,850.81 is: 43,969.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,745.43 : 68,672.15 = 31,850.81 : x
  2. Step 2: Convert to fraction form
    49,745.43/68,672.15 = 31,850.81/x
  3. Step 3: Cross multiply
    49,745.43x = 68,672.15 × 31,850.81
  4. Step 4: Simplify right side
    49,745.43x = 2,187,263,099.33
  5. Step 5: Solve for x
    x = 2,187,263,099.33/49,745.43
  6. Step 6: Final answer
    x = 43,969.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.