Home / 33,649.60-46,435.44-21,081.28

Finding the Fourth Proportional to 33,649.60, 46,435.44 and 21,081.28

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Solution

The fourth proportional to 33,649.60, 46,435.44 and 21,081.28 is: 29,091.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,649.60 : 46,435.44 = 21,081.28 : x
  2. Step 2: Convert to fraction form
    33,649.60/46,435.44 = 21,081.28/x
  3. Step 3: Cross multiply
    33,649.60x = 46,435.44 × 21,081.28
  4. Step 4: Simplify right side
    33,649.60x = 978,918,512.56
  5. Step 5: Solve for x
    x = 978,918,512.56/33,649.60
  6. Step 6: Final answer
    x = 29,091.53

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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.