Home / 66,517.36-91,796.08-37,836.28

Finding the Fourth Proportional to 66,517.36, 91,796.08 and 37,836.28

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Solution

The fourth proportional to 66,517.36, 91,796.08 and 37,836.28 is: 52,215.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,517.36 : 91,796.08 = 37,836.28 : x
  2. Step 2: Convert to fraction form
    66,517.36/91,796.08 = 37,836.28/x
  3. Step 3: Cross multiply
    66,517.36x = 91,796.08 × 37,836.28
  4. Step 4: Simplify right side
    66,517.36x = 3,473,222,185.78
  5. Step 5: Solve for x
    x = 3,473,222,185.78/66,517.36
  6. Step 6: Final answer
    x = 52,215.27

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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.