Home / 47,912.48-66,119.94-27,770.78

Finding the Fourth Proportional to 47,912.48, 66,119.94 and 27,770.78

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Solution

The fourth proportional to 47,912.48, 66,119.94 and 27,770.78 is: 38,324.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,912.48 : 66,119.94 = 27,770.78 : x
  2. Step 2: Convert to fraction form
    47,912.48/66,119.94 = 27,770.78/x
  3. Step 3: Cross multiply
    47,912.48x = 66,119.94 × 27,770.78
  4. Step 4: Simplify right side
    47,912.48x = 1,836,202,307.35
  5. Step 5: Solve for x
    x = 1,836,202,307.35/47,912.48
  6. Step 6: Final answer
    x = 38,324.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.