Home / 68,365.44-102,539.97-18,441.72

Finding the Fourth Proportional to 68,365.44, 102,539.97 and 18,441.72

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Solution

The fourth proportional to 68,365.44, 102,539.97 and 18,441.72 is: 27,660.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,365.44 : 102,539.97 = 18,441.72 : x
  2. Step 2: Convert to fraction form
    68,365.44/102,539.97 = 18,441.72/x
  3. Step 3: Cross multiply
    68,365.44x = 102,539.97 × 18,441.72
  4. Step 4: Simplify right side
    68,365.44x = 1,891,013,415.55
  5. Step 5: Solve for x
    x = 1,891,013,415.55/68,365.44
  6. Step 6: Final answer
    x = 27,660.37

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1.5x scale

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.