Home / 51,694.20-77,555.70-25,399.80

Finding the Fourth Proportional to 51,694.20, 77,555.70 and 25,399.80

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Solution

The fourth proportional to 51,694.20, 77,555.70 and 25,399.80 is: 38,106.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,694.20 : 77,555.70 = 25,399.80 : x
  2. Step 2: Convert to fraction form
    51,694.20/77,555.70 = 25,399.80/x
  3. Step 3: Cross multiply
    51,694.20x = 77,555.70 × 25,399.80
  4. Step 4: Simplify right side
    51,694.20x = 1,969,899,268.86
  5. Step 5: Solve for x
    x = 1,969,899,268.86/51,694.20
  6. Step 6: Final answer
    x = 38,106.78

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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.