Home / 30,338.21-45,671.11-27,286.54

Finding the Fourth Proportional to 30,338.21, 45,671.11 and 27,286.54

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Solution

The fourth proportional to 30,338.21, 45,671.11 and 27,286.54 is: 41,077.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,338.21 : 45,671.11 = 27,286.54 : x
  2. Step 2: Convert to fraction form
    30,338.21/45,671.11 = 27,286.54/x
  3. Step 3: Cross multiply
    30,338.21x = 45,671.11 × 27,286.54
  4. Step 4: Simplify right side
    30,338.21x = 1,246,206,387.47
  5. Step 5: Solve for x
    x = 1,246,206,387.47/30,338.21
  6. Step 6: Final answer
    x = 41,077.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.