Home / 34,872.45-48,123.78-19,767.96

Finding the Fourth Proportional to 34,872.45, 48,123.78 and 19,767.96

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Solution

The fourth proportional to 34,872.45, 48,123.78 and 19,767.96 is: 27,279.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,872.45 : 48,123.78 = 19,767.96 : x
  2. Step 2: Convert to fraction form
    34,872.45/48,123.78 = 19,767.96/x
  3. Step 3: Cross multiply
    34,872.45x = 48,123.78 × 19,767.96
  4. Step 4: Simplify right side
    34,872.45x = 951,308,958.09
  5. Step 5: Solve for x
    x = 951,308,958.09/34,872.45
  6. Step 6: Final answer
    x = 27,279.67

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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.