Home / 33,274.41-49,887-20,123.85

Finding the Fourth Proportional to 33,274.41, 49,887 and 20,123.85

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Solution

The fourth proportional to 33,274.41, 49,887 and 20,123.85 is: 30,170.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,274.41 : 49,887 = 20,123.85 : x
  2. Step 2: Convert to fraction form
    33,274.41/49,887 = 20,123.85/x
  3. Step 3: Cross multiply
    33,274.41x = 49,887 × 20,123.85
  4. Step 4: Simplify right side
    33,274.41x = 1,003,918,504.95
  5. Step 5: Solve for x
    x = 1,003,918,504.95/33,274.41
  6. Step 6: Final answer
    x = 30,170.89

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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.