Home / 69,976.91-104,965.36-23,229.78

Finding the Fourth Proportional to 69,976.91, 104,965.36 and 23,229.78

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Solution

The fourth proportional to 69,976.91, 104,965.36 and 23,229.78 is: 34,844.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,976.91 : 104,965.36 = 23,229.78 : x
  2. Step 2: Convert to fraction form
    69,976.91/104,965.36 = 23,229.78/x
  3. Step 3: Cross multiply
    69,976.91x = 104,965.36 × 23,229.78
  4. Step 4: Simplify right side
    69,976.91x = 2,438,322,220.42
  5. Step 5: Solve for x
    x = 2,438,322,220.42/69,976.91
  6. Step 6: Final answer
    x = 34,844.67

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Similar ratio
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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.