Home / 38,305.20-57,328.20-33,639.60

Finding the Fourth Proportional to 38,305.20, 57,328.20 and 33,639.60

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Solution

The fourth proportional to 38,305.20, 57,328.20 and 33,639.60 is: 50,345.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,305.20 : 57,328.20 = 33,639.60 : x
  2. Step 2: Convert to fraction form
    38,305.20/57,328.20 = 33,639.60/x
  3. Step 3: Cross multiply
    38,305.20x = 57,328.20 × 33,639.60
  4. Step 4: Simplify right side
    38,305.20x = 1,928,497,716.72
  5. Step 5: Solve for x
    x = 1,928,497,716.72/38,305.20
  6. Step 6: Final answer
    x = 50,345.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.