Home / 33,048.82-45,590.48-21,099.60

Finding the Fourth Proportional to 33,048.82, 45,590.48 and 21,099.60

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Solution

The fourth proportional to 33,048.82, 45,590.48 and 21,099.60 is: 29,106.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,048.82 : 45,590.48 = 21,099.60 : x
  2. Step 2: Convert to fraction form
    33,048.82/45,590.48 = 21,099.60/x
  3. Step 3: Cross multiply
    33,048.82x = 45,590.48 × 21,099.60
  4. Step 4: Simplify right side
    33,048.82x = 961,940,865.43
  5. Step 5: Solve for x
    x = 961,940,865.43/33,048.82
  6. Step 6: Final answer
    x = 29,106.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.