Home / 40,163.11-60,243.75-13,865.38

Finding the Fourth Proportional to 40,163.11, 60,243.75 and 13,865.38

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Solution

The fourth proportional to 40,163.11, 60,243.75 and 13,865.38 is: 20,797.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,163.11 : 60,243.75 = 13,865.38 : x
  2. Step 2: Convert to fraction form
    40,163.11/60,243.75 = 13,865.38/x
  3. Step 3: Cross multiply
    40,163.11x = 60,243.75 × 13,865.38
  4. Step 4: Simplify right side
    40,163.11x = 835,302,335.77
  5. Step 5: Solve for x
    x = 835,302,335.77/40,163.11
  6. Step 6: Final answer
    x = 20,797.75

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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.