Home / 51,436.56-77,161.01-18,149.75

Finding the Fourth Proportional to 51,436.56, 77,161.01 and 18,149.75

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Solution

The fourth proportional to 51,436.56, 77,161.01 and 18,149.75 is: 27,226.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,436.56 : 77,161.01 = 18,149.75 : x
  2. Step 2: Convert to fraction form
    51,436.56/77,161.01 = 18,149.75/x
  3. Step 3: Cross multiply
    51,436.56x = 77,161.01 × 18,149.75
  4. Step 4: Simplify right side
    51,436.56x = 1,400,452,564.69
  5. Step 5: Solve for x
    x = 1,400,452,564.69/51,436.56
  6. Step 6: Final answer
    x = 27,226.79

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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.