Home / 33,255.09-45,902.97-19,830.51

Finding the Fourth Proportional to 33,255.09, 45,902.97 and 19,830.51

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Solution

The fourth proportional to 33,255.09, 45,902.97 and 19,830.51 is: 27,372.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,255.09 : 45,902.97 = 19,830.51 : x
  2. Step 2: Convert to fraction form
    33,255.09/45,902.97 = 19,830.51/x
  3. Step 3: Cross multiply
    33,255.09x = 45,902.97 × 19,830.51
  4. Step 4: Simplify right side
    33,255.09x = 910,279,305.61
  5. Step 5: Solve for x
    x = 910,279,305.61/33,255.09
  6. Step 6: Final answer
    x = 27,372.63

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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.