Home / 30,805.92-42,510.96-17,375.04

Finding the Fourth Proportional to 30,805.92, 42,510.96 and 17,375.04

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Solution

The fourth proportional to 30,805.92, 42,510.96 and 17,375.04 is: 23,976.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,805.92 : 42,510.96 = 17,375.04 : x
  2. Step 2: Convert to fraction form
    30,805.92/42,510.96 = 17,375.04/x
  3. Step 3: Cross multiply
    30,805.92x = 42,510.96 × 17,375.04
  4. Step 4: Simplify right side
    30,805.92x = 738,629,630.44
  5. Step 5: Solve for x
    x = 738,629,630.44/30,805.92
  6. Step 6: Final answer
    x = 23,976.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.