Home / 45,517.77-68,186.54-21,469.14

Finding the Fourth Proportional to 45,517.77, 68,186.54 and 21,469.14

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Solution

The fourth proportional to 45,517.77, 68,186.54 and 21,469.14 is: 32,161.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,517.77 : 68,186.54 = 21,469.14 : x
  2. Step 2: Convert to fraction form
    45,517.77/68,186.54 = 21,469.14/x
  3. Step 3: Cross multiply
    45,517.77x = 68,186.54 × 21,469.14
  4. Step 4: Simplify right side
    45,517.77x = 1,463,906,427.05
  5. Step 5: Solve for x
    x = 1,463,906,427.05/45,517.77
  6. Step 6: Final answer
    x = 32,161.21

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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.