Home / 68,538.26-94,584.84-40,238.48

Finding the Fourth Proportional to 68,538.26, 94,584.84 and 40,238.48

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Solution

The fourth proportional to 68,538.26, 94,584.84 and 40,238.48 is: 55,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,538.26 : 94,584.84 = 40,238.48 : x
  2. Step 2: Convert to fraction form
    68,538.26/94,584.84 = 40,238.48/x
  3. Step 3: Cross multiply
    68,538.26x = 94,584.84 × 40,238.48
  4. Step 4: Simplify right side
    68,538.26x = 3,805,950,192.64
  5. Step 5: Solve for x
    x = 3,805,950,192.64/68,538.26
  6. Step 6: Final answer
    x = 55,530.30

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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.