Home / 51,286.43-76,943.79-18,002.12

Finding the Fourth Proportional to 51,286.43, 76,943.79 and 18,002.12

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Solution

The fourth proportional to 51,286.43, 76,943.79 and 18,002.12 is: 27,008.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,286.43 : 76,943.79 = 18,002.12 : x
  2. Step 2: Convert to fraction form
    51,286.43/76,943.79 = 18,002.12/x
  3. Step 3: Cross multiply
    51,286.43x = 76,943.79 × 18,002.12
  4. Step 4: Simplify right side
    51,286.43x = 1,385,150,956.12
  5. Step 5: Solve for x
    x = 1,385,150,956.12/51,286.43
  6. Step 6: Final answer
    x = 27,008.14

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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.