Home / 33,578.13-46,319.41-20,826.91

Finding the Fourth Proportional to 33,578.13, 46,319.41 and 20,826.91

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Solution

The fourth proportional to 33,578.13, 46,319.41 and 20,826.91 is: 28,729.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,578.13 : 46,319.41 = 20,826.91 : x
  2. Step 2: Convert to fraction form
    33,578.13/46,319.41 = 20,826.91/x
  3. Step 3: Cross multiply
    33,578.13x = 46,319.41 × 20,826.91
  4. Step 4: Simplify right side
    33,578.13x = 964,690,183.32
  5. Step 5: Solve for x
    x = 964,690,183.32/33,578.13
  6. Step 6: Final answer
    x = 28,729.72

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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.