Home / 65,930.20-98,927.70-30,863.80

Finding the Fourth Proportional to 65,930.20, 98,927.70 and 30,863.80

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Solution

The fourth proportional to 65,930.20, 98,927.70 and 30,863.80 is: 46,310.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,930.20 : 98,927.70 = 30,863.80 : x
  2. Step 2: Convert to fraction form
    65,930.20/98,927.70 = 30,863.80/x
  3. Step 3: Cross multiply
    65,930.20x = 98,927.70 × 30,863.80
  4. Step 4: Simplify right side
    65,930.20x = 3,053,284,747.26
  5. Step 5: Solve for x
    x = 3,053,284,747.26/65,930.20
  6. Step 6: Final answer
    x = 46,310.87

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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.