Home / 35,383.41-48,821.94-20,067.12

Finding the Fourth Proportional to 35,383.41, 48,821.94 and 20,067.12

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Solution

The fourth proportional to 35,383.41, 48,821.94 and 20,067.12 is: 27,688.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,383.41 : 48,821.94 = 20,067.12 : x
  2. Step 2: Convert to fraction form
    35,383.41/48,821.94 = 20,067.12/x
  3. Step 3: Cross multiply
    35,383.41x = 48,821.94 × 20,067.12
  4. Step 4: Simplify right side
    35,383.41x = 979,715,728.61
  5. Step 5: Solve for x
    x = 979,715,728.61/35,383.41
  6. Step 6: Final answer
    x = 27,688.56

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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.