Home / 33,255.97-45,884.93-21,335.45

Finding the Fourth Proportional to 33,255.97, 45,884.93 and 21,335.45

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Solution

The fourth proportional to 33,255.97, 45,884.93 and 21,335.45 is: 29,437.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,255.97 : 45,884.93 = 21,335.45 : x
  2. Step 2: Convert to fraction form
    33,255.97/45,884.93 = 21,335.45/x
  3. Step 3: Cross multiply
    33,255.97x = 45,884.93 × 21,335.45
  4. Step 4: Simplify right side
    33,255.97x = 978,975,671.78
  5. Step 5: Solve for x
    x = 978,975,671.78/33,255.97
  6. Step 6: Final answer
    x = 29,437.59

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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.