Home / 33,076.16-45,625.92-21,747.68

Finding the Fourth Proportional to 33,076.16, 45,625.92 and 21,747.68

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Solution

The fourth proportional to 33,076.16, 45,625.92 and 21,747.68 is: 29,999.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,076.16 : 45,625.92 = 21,747.68 : x
  2. Step 2: Convert to fraction form
    33,076.16/45,625.92 = 21,747.68/x
  3. Step 3: Cross multiply
    33,076.16x = 45,625.92 × 21,747.68
  4. Step 4: Simplify right side
    33,076.16x = 992,257,907.87
  5. Step 5: Solve for x
    x = 992,257,907.87/33,076.16
  6. Step 6: Final answer
    x = 29,999.19

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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.