Home / 66,022-91,110.36-36,213.36

Finding the Fourth Proportional to 66,022, 91,110.36 and 36,213.36

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Solution

The fourth proportional to 66,022, 91,110.36 and 36,213.36 is: 49,974.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,022 : 91,110.36 = 36,213.36 : x
  2. Step 2: Convert to fraction form
    66,022/91,110.36 = 36,213.36/x
  3. Step 3: Cross multiply
    66,022x = 91,110.36 × 36,213.36
  4. Step 4: Simplify right side
    66,022x = 3,299,412,266.41
  5. Step 5: Solve for x
    x = 3,299,412,266.41/66,022
  6. Step 6: Final answer
    x = 49,974.44

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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.