Home / 51,379.98-77,086.17-18,098.70

Finding the Fourth Proportional to 51,379.98, 77,086.17 and 18,098.70

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Solution

The fourth proportional to 51,379.98, 77,086.17 and 18,098.70 is: 27,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,379.98 : 77,086.17 = 18,098.70 : x
  2. Step 2: Convert to fraction form
    51,379.98/77,086.17 = 18,098.70/x
  3. Step 3: Cross multiply
    51,379.98x = 77,086.17 × 18,098.70
  4. Step 4: Simplify right side
    51,379.98x = 1,395,159,464.98
  5. Step 5: Solve for x
    x = 1,395,159,464.98/51,379.98
  6. Step 6: Final answer
    x = 27,153.76

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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.