Home / 20,195.26-30,245.87-19,494.61

Finding the Fourth Proportional to 20,195.26, 30,245.87 and 19,494.61

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Solution

The fourth proportional to 20,195.26, 30,245.87 and 19,494.61 is: 29,196.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.26 : 30,245.87 = 19,494.61 : x
  2. Step 2: Convert to fraction form
    20,195.26/30,245.87 = 19,494.61/x
  3. Step 3: Cross multiply
    20,195.26x = 30,245.87 × 19,494.61
  4. Step 4: Simplify right side
    20,195.26x = 589,631,342.29
  5. Step 5: Solve for x
    x = 589,631,342.29/20,195.26
  6. Step 6: Final answer
    x = 29,196.52

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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.