Home / 68,629.44-102,944.16-19,381.44

Finding the Fourth Proportional to 68,629.44, 102,944.16 and 19,381.44

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Solution

The fourth proportional to 68,629.44, 102,944.16 and 19,381.44 is: 29,072.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,629.44 : 102,944.16 = 19,381.44 : x
  2. Step 2: Convert to fraction form
    68,629.44/102,944.16 = 19,381.44/x
  3. Step 3: Cross multiply
    68,629.44x = 102,944.16 × 19,381.44
  4. Step 4: Simplify right side
    68,629.44x = 1,995,206,060.39
  5. Step 5: Solve for x
    x = 1,995,206,060.39/68,629.44
  6. Step 6: Final answer
    x = 29,072.16

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Similar ratio
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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.