Home / 37,935.92-52,356.84-21,170

Finding the Fourth Proportional to 37,935.92, 52,356.84 and 21,170

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Solution

The fourth proportional to 37,935.92, 52,356.84 and 21,170 is: 29,217.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,935.92 : 52,356.84 = 21,170 : x
  2. Step 2: Convert to fraction form
    37,935.92/52,356.84 = 21,170/x
  3. Step 3: Cross multiply
    37,935.92x = 52,356.84 × 21,170
  4. Step 4: Simplify right side
    37,935.92x = 1,108,394,302.80
  5. Step 5: Solve for x
    x = 1,108,394,302.80/37,935.92
  6. Step 6: Final answer
    x = 29,217.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.