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Finding the Fourth Proportional to 38,478, 57,550.23 and 22,645.29

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Solution

The fourth proportional to 38,478, 57,550.23 and 22,645.29 is: 33,869.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,478 : 57,550.23 = 22,645.29 : x
  2. Step 2: Convert to fraction form
    38,478/57,550.23 = 22,645.29/x
  3. Step 3: Cross multiply
    38,478x = 57,550.23 × 22,645.29
  4. Step 4: Simplify right side
    38,478x = 1,303,241,647.92
  5. Step 5: Solve for x
    x = 1,303,241,647.92/38,478
  6. Step 6: Final answer
    x = 33,869.79

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