Home / 51,366.96-77,072.72-18,110.79

Finding the Fourth Proportional to 51,366.96, 77,072.72 and 18,110.79

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Solution

The fourth proportional to 51,366.96, 77,072.72 and 18,110.79 is: 27,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,366.96 : 77,072.72 = 18,110.79 : x
  2. Step 2: Convert to fraction form
    51,366.96/77,072.72 = 18,110.79/x
  3. Step 3: Cross multiply
    51,366.96x = 77,072.72 × 18,110.79
  4. Step 4: Simplify right side
    51,366.96x = 1,395,847,756.09
  5. Step 5: Solve for x
    x = 1,395,847,756.09/51,366.96
  6. Step 6: Final answer
    x = 27,174.04

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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.