Home / 45,768.92-68,768.40-29,136.38

Finding the Fourth Proportional to 45,768.92, 68,768.40 and 29,136.38

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Solution

The fourth proportional to 45,768.92, 68,768.40 and 29,136.38 is: 43,777.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,768.92 : 68,768.40 = 29,136.38 : x
  2. Step 2: Convert to fraction form
    45,768.92/68,768.40 = 29,136.38/x
  3. Step 3: Cross multiply
    45,768.92x = 68,768.40 × 29,136.38
  4. Step 4: Simplify right side
    45,768.92x = 2,003,662,234.39
  5. Step 5: Solve for x
    x = 2,003,662,234.39/45,768.92
  6. Step 6: Final answer
    x = 43,777.79

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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.