Home / 22,990.98-34,510.60-20,375.22

Finding the Fourth Proportional to 22,990.98, 34,510.60 and 20,375.22

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Solution

The fourth proportional to 22,990.98, 34,510.60 and 20,375.22 is: 30,584.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,990.98 : 34,510.60 = 20,375.22 : x
  2. Step 2: Convert to fraction form
    22,990.98/34,510.60 = 20,375.22/x
  3. Step 3: Cross multiply
    22,990.98x = 34,510.60 × 20,375.22
  4. Step 4: Simplify right side
    22,990.98x = 703,161,067.33
  5. Step 5: Solve for x
    x = 703,161,067.33/22,990.98
  6. Step 6: Final answer
    x = 30,584.21

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1.5x scale

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.