Home / 38,238.80-57,366.30-11,582.60

Finding the Fourth Proportional to 38,238.80, 57,366.30 and 11,582.60

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Solution

The fourth proportional to 38,238.80, 57,366.30 and 11,582.60 is: 17,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238.80 : 57,366.30 = 11,582.60 : x
  2. Step 2: Convert to fraction form
    38,238.80/57,366.30 = 11,582.60/x
  3. Step 3: Cross multiply
    38,238.80x = 57,366.30 × 11,582.60
  4. Step 4: Simplify right side
    38,238.80x = 664,450,906.38
  5. Step 5: Solve for x
    x = 664,450,906.38/38,238.80
  6. Step 6: Final answer
    x = 17,376.35

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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.