Home / 33,156.53-45,758.24-20,241.28

Finding the Fourth Proportional to 33,156.53, 45,758.24 and 20,241.28

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Solution

The fourth proportional to 33,156.53, 45,758.24 and 20,241.28 is: 27,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,156.53 : 45,758.24 = 20,241.28 : x
  2. Step 2: Convert to fraction form
    33,156.53/45,758.24 = 20,241.28/x
  3. Step 3: Cross multiply
    33,156.53x = 45,758.24 × 20,241.28
  4. Step 4: Simplify right side
    33,156.53x = 926,205,284.35
  5. Step 5: Solve for x
    x = 926,205,284.35/33,156.53
  6. Step 6: Final answer
    x = 27,934.33

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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.