Home / 32,772.33-45,212.97-20,175.21

Finding the Fourth Proportional to 32,772.33, 45,212.97 and 20,175.21

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Solution

The fourth proportional to 32,772.33, 45,212.97 and 20,175.21 is: 27,833.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,772.33 : 45,212.97 = 20,175.21 : x
  2. Step 2: Convert to fraction form
    32,772.33/45,212.97 = 20,175.21/x
  3. Step 3: Cross multiply
    32,772.33x = 45,212.97 × 20,175.21
  4. Step 4: Simplify right side
    32,772.33x = 912,181,164.47
  5. Step 5: Solve for x
    x = 912,181,164.47/32,772.33
  6. Step 6: Final answer
    x = 27,833.88

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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.