Home / 69,827.98-104,745.36-19,911.55

Finding the Fourth Proportional to 69,827.98, 104,745.36 and 19,911.55

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Solution

The fourth proportional to 69,827.98, 104,745.36 and 19,911.55 is: 29,868.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,827.98 : 104,745.36 = 19,911.55 : x
  2. Step 2: Convert to fraction form
    69,827.98/104,745.36 = 19,911.55/x
  3. Step 3: Cross multiply
    69,827.98x = 104,745.36 × 19,911.55
  4. Step 4: Simplify right side
    69,827.98x = 2,085,642,472.91
  5. Step 5: Solve for x
    x = 2,085,642,472.91/69,827.98
  6. Step 6: Final answer
    x = 29,868.29

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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.