Home / 51,414.45-77,133.21-18,134.79

Finding the Fourth Proportional to 51,414.45, 77,133.21 and 18,134.79

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Solution

The fourth proportional to 51,414.45, 77,133.21 and 18,134.79 is: 27,206.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,414.45 : 77,133.21 = 18,134.79 : x
  2. Step 2: Convert to fraction form
    51,414.45/77,133.21 = 18,134.79/x
  3. Step 3: Cross multiply
    51,414.45x = 77,133.21 × 18,134.79
  4. Step 4: Simplify right side
    51,414.45x = 1,398,794,960.94
  5. Step 5: Solve for x
    x = 1,398,794,960.94/51,414.45
  6. Step 6: Final answer
    x = 27,206.26

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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.