Home / 51,286.79-76,964.55-18,006.96

Finding the Fourth Proportional to 51,286.79, 76,964.55 and 18,006.96

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Solution

The fourth proportional to 51,286.79, 76,964.55 and 18,006.96 is: 27,022.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,286.79 : 76,964.55 = 18,006.96 : x
  2. Step 2: Convert to fraction form
    51,286.79/76,964.55 = 18,006.96/x
  3. Step 3: Cross multiply
    51,286.79x = 76,964.55 × 18,006.96
  4. Step 4: Simplify right side
    51,286.79x = 1,385,897,361.43
  5. Step 5: Solve for x
    x = 1,385,897,361.43/51,286.79
  6. Step 6: Final answer
    x = 27,022.50

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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.