Home / 38,198.04-57,289.62-19,217.60

Finding the Fourth Proportional to 38,198.04, 57,289.62 and 19,217.60

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Solution

The fourth proportional to 38,198.04, 57,289.62 and 19,217.60 is: 28,822.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,198.04 : 57,289.62 = 19,217.60 : x
  2. Step 2: Convert to fraction form
    38,198.04/57,289.62 = 19,217.60/x
  3. Step 3: Cross multiply
    38,198.04x = 57,289.62 × 19,217.60
  4. Step 4: Simplify right side
    38,198.04x = 1,100,969,001.31
  5. Step 5: Solve for x
    x = 1,100,969,001.31/38,198.04
  6. Step 6: Final answer
    x = 28,822.66

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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.