Home / 84,736.62-127,105.66-21,556.80

Finding the Fourth Proportional to 84,736.62, 127,105.66 and 21,556.80

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Solution

The fourth proportional to 84,736.62, 127,105.66 and 21,556.80 is: 32,335.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,736.62 : 127,105.66 = 21,556.80 : x
  2. Step 2: Convert to fraction form
    84,736.62/127,105.66 = 21,556.80/x
  3. Step 3: Cross multiply
    84,736.62x = 127,105.66 × 21,556.80
  4. Step 4: Simplify right side
    84,736.62x = 2,739,991,183.70
  5. Step 5: Solve for x
    x = 2,739,991,183.70/84,736.62
  6. Step 6: Final answer
    x = 32,335.38

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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.