Home / 33,229.77-45,845.58-21,299.68

Finding the Fourth Proportional to 33,229.77, 45,845.58 and 21,299.68

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Solution

The fourth proportional to 33,229.77, 45,845.58 and 21,299.68 is: 29,386.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,229.77 : 45,845.58 = 21,299.68 : x
  2. Step 2: Convert to fraction form
    33,229.77/45,845.58 = 21,299.68/x
  3. Step 3: Cross multiply
    33,229.77x = 45,845.58 × 21,299.68
  4. Step 4: Simplify right side
    33,229.77x = 976,496,183.41
  5. Step 5: Solve for x
    x = 976,496,183.41/33,229.77
  6. Step 6: Final answer
    x = 29,386.19

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Double scale
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Similar ratio
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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.