Home / 38,190.82-57,281.96-11,893.36

Finding the Fourth Proportional to 38,190.82, 57,281.96 and 11,893.36

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Solution

The fourth proportional to 38,190.82, 57,281.96 and 11,893.36 is: 17,838.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,190.82 : 57,281.96 = 11,893.36 : x
  2. Step 2: Convert to fraction form
    38,190.82/57,281.96 = 11,893.36/x
  3. Step 3: Cross multiply
    38,190.82x = 57,281.96 × 11,893.36
  4. Step 4: Simplify right side
    38,190.82x = 681,274,971.79
  5. Step 5: Solve for x
    x = 681,274,971.79/38,190.82
  6. Step 6: Final answer
    x = 17,838.71

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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.