Home / 51,930.80-77,965.38-35,120.28

Finding the Fourth Proportional to 51,930.80, 77,965.38 and 35,120.28

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Solution

The fourth proportional to 51,930.80, 77,965.38 and 35,120.28 is: 52,727.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,930.80 : 77,965.38 = 35,120.28 : x
  2. Step 2: Convert to fraction form
    51,930.80/77,965.38 = 35,120.28/x
  3. Step 3: Cross multiply
    51,930.80x = 77,965.38 × 35,120.28
  4. Step 4: Simplify right side
    51,930.80x = 2,738,165,975.91
  5. Step 5: Solve for x
    x = 2,738,165,975.91/51,930.80
  6. Step 6: Final answer
    x = 52,727.21

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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.