Home / 69,556.72-104,333.22-19,640.26

Finding the Fourth Proportional to 69,556.72, 104,333.22 and 19,640.26

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Solution

The fourth proportional to 69,556.72, 104,333.22 and 19,640.26 is: 29,459.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,556.72 : 104,333.22 = 19,640.26 : x
  2. Step 2: Convert to fraction form
    69,556.72/104,333.22 = 19,640.26/x
  3. Step 3: Cross multiply
    69,556.72x = 104,333.22 × 19,640.26
  4. Step 4: Simplify right side
    69,556.72x = 2,049,131,567.44
  5. Step 5: Solve for x
    x = 2,049,131,567.44/69,556.72
  6. Step 6: Final answer
    x = 29,459.86

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1.5x scale

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.