Home / 68,022.48-102,033.57-18,102.55

Finding the Fourth Proportional to 68,022.48, 102,033.57 and 18,102.55

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Solution

The fourth proportional to 68,022.48, 102,033.57 and 18,102.55 is: 27,153.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,022.48 : 102,033.57 = 18,102.55 : x
  2. Step 2: Convert to fraction form
    68,022.48/102,033.57 = 18,102.55/x
  3. Step 3: Cross multiply
    68,022.48x = 102,033.57 × 18,102.55
  4. Step 4: Simplify right side
    68,022.48x = 1,847,067,802.60
  5. Step 5: Solve for x
    x = 1,847,067,802.60/68,022.48
  6. Step 6: Final answer
    x = 27,153.79

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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.