Home / 69,837.54-104,757.27-19,917.66

Finding the Fourth Proportional to 69,837.54, 104,757.27 and 19,917.66

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Solution

The fourth proportional to 69,837.54, 104,757.27 and 19,917.66 is: 29,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,837.54 : 104,757.27 = 19,917.66 : x
  2. Step 2: Convert to fraction form
    69,837.54/104,757.27 = 19,917.66/x
  3. Step 3: Cross multiply
    69,837.54x = 104,757.27 × 19,917.66
  4. Step 4: Simplify right side
    69,837.54x = 2,086,519,686.39
  5. Step 5: Solve for x
    x = 2,086,519,686.39/69,837.54
  6. Step 6: Final answer
    x = 29,876.76

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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.