Home / 51,236.28-76,858.38-19,661.46

Finding the Fourth Proportional to 51,236.28, 76,858.38 and 19,661.46

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Solution

The fourth proportional to 51,236.28, 76,858.38 and 19,661.46 is: 29,493.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,236.28 : 76,858.38 = 19,661.46 : x
  2. Step 2: Convert to fraction form
    51,236.28/76,858.38 = 19,661.46/x
  3. Step 3: Cross multiply
    51,236.28x = 76,858.38 × 19,661.46
  4. Step 4: Simplify right side
    51,236.28x = 1,511,147,964.03
  5. Step 5: Solve for x
    x = 1,511,147,964.03/51,236.28
  6. Step 6: Final answer
    x = 29,493.71

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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.