Home / 69,425.49-104,121.98-19,510.35

Finding the Fourth Proportional to 69,425.49, 104,121.98 and 19,510.35

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Solution

The fourth proportional to 69,425.49, 104,121.98 and 19,510.35 is: 29,260.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,425.49 : 104,121.98 = 19,510.35 : x
  2. Step 2: Convert to fraction form
    69,425.49/104,121.98 = 19,510.35/x
  3. Step 3: Cross multiply
    69,425.49x = 104,121.98 × 19,510.35
  4. Step 4: Simplify right side
    69,425.49x = 2,031,456,174.94
  5. Step 5: Solve for x
    x = 2,031,456,174.94/69,425.49
  6. Step 6: Final answer
    x = 29,260.96

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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.