Home / 38,619.38-57,933.39-10,919.54

Finding the Fourth Proportional to 38,619.38, 57,933.39 and 10,919.54

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Solution

The fourth proportional to 38,619.38, 57,933.39 and 10,919.54 is: 16,380.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,619.38 : 57,933.39 = 10,919.54 : x
  2. Step 2: Convert to fraction form
    38,619.38/57,933.39 = 10,919.54/x
  3. Step 3: Cross multiply
    38,619.38x = 57,933.39 × 10,919.54
  4. Step 4: Simplify right side
    38,619.38x = 632,605,969.44
  5. Step 5: Solve for x
    x = 632,605,969.44/38,619.38
  6. Step 6: Final answer
    x = 16,380.53

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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.