Home / 20,195.76-30,246.62-19,495.11

Finding the Fourth Proportional to 20,195.76, 30,246.62 and 19,495.11

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Solution

The fourth proportional to 20,195.76, 30,246.62 and 19,495.11 is: 29,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.76 : 30,246.62 = 19,495.11 : x
  2. Step 2: Convert to fraction form
    20,195.76/30,246.62 = 19,495.11/x
  3. Step 3: Cross multiply
    20,195.76x = 30,246.62 × 19,495.11
  4. Step 4: Simplify right side
    20,195.76x = 589,661,086.55
  5. Step 5: Solve for x
    x = 589,661,086.55/20,195.76
  6. Step 6: Final answer
    x = 29,197.27

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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.