Home / 33,691.62-46,479.71-20,255.16

Finding the Fourth Proportional to 33,691.62, 46,479.71 and 20,255.16

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Solution

The fourth proportional to 33,691.62, 46,479.71 and 20,255.16 is: 27,943.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,691.62 : 46,479.71 = 20,255.16 : x
  2. Step 2: Convert to fraction form
    33,691.62/46,479.71 = 20,255.16/x
  3. Step 3: Cross multiply
    33,691.62x = 46,479.71 × 20,255.16
  4. Step 4: Simplify right side
    33,691.62x = 941,453,861.53
  5. Step 5: Solve for x
    x = 941,453,861.53/33,691.62
  6. Step 6: Final answer
    x = 27,943.26

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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.