Home / 38,961.82-58,548.24-21,205.61

Finding the Fourth Proportional to 38,961.82, 58,548.24 and 21,205.61

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Solution

The fourth proportional to 38,961.82, 58,548.24 and 21,205.61 is: 31,865.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,961.82 : 58,548.24 = 21,205.61 : x
  2. Step 2: Convert to fraction form
    38,961.82/58,548.24 = 21,205.61/x
  3. Step 3: Cross multiply
    38,961.82x = 58,548.24 × 21,205.61
  4. Step 4: Simplify right side
    38,961.82x = 1,241,550,850.89
  5. Step 5: Solve for x
    x = 1,241,550,850.89/38,961.82
  6. Step 6: Final answer
    x = 31,865.84

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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.