Home / 65,932.20-98,930.70-30,865.80

Finding the Fourth Proportional to 65,932.20, 98,930.70 and 30,865.80

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Solution

The fourth proportional to 65,932.20, 98,930.70 and 30,865.80 is: 46,313.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,932.20 : 98,930.70 = 30,865.80 : x
  2. Step 2: Convert to fraction form
    65,932.20/98,930.70 = 30,865.80/x
  3. Step 3: Cross multiply
    65,932.20x = 98,930.70 × 30,865.80
  4. Step 4: Simplify right side
    65,932.20x = 3,053,575,200.06
  5. Step 5: Solve for x
    x = 3,053,575,200.06/65,932.20
  6. Step 6: Final answer
    x = 46,313.87

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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.