Home / 36,890.73-50,901.48-21,778.56

Finding the Fourth Proportional to 36,890.73, 50,901.48 and 21,778.56

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Solution

The fourth proportional to 36,890.73, 50,901.48 and 21,778.56 is: 30,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,890.73 : 50,901.48 = 21,778.56 : x
  2. Step 2: Convert to fraction form
    36,890.73/50,901.48 = 21,778.56/x
  3. Step 3: Cross multiply
    36,890.73x = 50,901.48 × 21,778.56
  4. Step 4: Simplify right side
    36,890.73x = 1,108,560,936.27
  5. Step 5: Solve for x
    x = 1,108,560,936.27/36,890.73
  6. Step 6: Final answer
    x = 30,049.85

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1.5x scale

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.