Home / 69,832.54-104,749.78-19,912.65

Finding the Fourth Proportional to 69,832.54, 104,749.78 and 19,912.65

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Solution

The fourth proportional to 69,832.54, 104,749.78 and 19,912.65 is: 29,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,832.54 : 104,749.78 = 19,912.65 : x
  2. Step 2: Convert to fraction form
    69,832.54/104,749.78 = 19,912.65/x
  3. Step 3: Cross multiply
    69,832.54x = 104,749.78 × 19,912.65
  4. Step 4: Simplify right side
    69,832.54x = 2,085,845,706.72
  5. Step 5: Solve for x
    x = 2,085,845,706.72/69,832.54
  6. Step 6: Final answer
    x = 29,869.25

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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.