Home / 69,342.48-104,029.36-21,960.44

Finding the Fourth Proportional to 69,342.48, 104,029.36 and 21,960.44

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Solution

The fourth proportional to 69,342.48, 104,029.36 and 21,960.44 is: 32,945.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,342.48 : 104,029.36 = 21,960.44 : x
  2. Step 2: Convert to fraction form
    69,342.48/104,029.36 = 21,960.44/x
  3. Step 3: Cross multiply
    69,342.48x = 104,029.36 × 21,960.44
  4. Step 4: Simplify right side
    69,342.48x = 2,284,530,518.52
  5. Step 5: Solve for x
    x = 2,284,530,518.52/69,342.48
  6. Step 6: Final answer
    x = 32,945.61

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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.