Home / 33,568.74-46,328.49-20,997.54

Finding the Fourth Proportional to 33,568.74, 46,328.49 and 20,997.54

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Solution

The fourth proportional to 33,568.74, 46,328.49 and 20,997.54 is: 28,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,568.74 : 46,328.49 = 20,997.54 : x
  2. Step 2: Convert to fraction form
    33,568.74/46,328.49 = 20,997.54/x
  3. Step 3: Cross multiply
    33,568.74x = 46,328.49 × 20,997.54
  4. Step 4: Simplify right side
    33,568.74x = 972,784,321.91
  5. Step 5: Solve for x
    x = 972,784,321.91/33,568.74
  6. Step 6: Final answer
    x = 28,978.88

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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.