Home / 41,163.21-61,738.35-13,079.57

Finding the Fourth Proportional to 41,163.21, 61,738.35 and 13,079.57

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Solution

The fourth proportional to 41,163.21, 61,738.35 and 13,079.57 is: 19,617.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,163.21 : 61,738.35 = 13,079.57 : x
  2. Step 2: Convert to fraction form
    41,163.21/61,738.35 = 13,079.57/x
  3. Step 3: Cross multiply
    41,163.21x = 61,738.35 × 13,079.57
  4. Step 4: Simplify right side
    41,163.21x = 807,510,761.82
  5. Step 5: Solve for x
    x = 807,510,761.82/41,163.21
  6. Step 6: Final answer
    x = 19,617.29

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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.