Home / 22,170.74-33,169.84-20,309.15

Finding the Fourth Proportional to 22,170.74, 33,169.84 and 20,309.15

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Solution

The fourth proportional to 22,170.74, 33,169.84 and 20,309.15 is: 30,384.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.74 : 33,169.84 = 20,309.15 : x
  2. Step 2: Convert to fraction form
    22,170.74/33,169.84 = 20,309.15/x
  3. Step 3: Cross multiply
    22,170.74x = 33,169.84 × 20,309.15
  4. Step 4: Simplify right side
    22,170.74x = 673,651,288.19
  5. Step 5: Solve for x
    x = 673,651,288.19/22,170.74
  6. Step 6: Final answer
    x = 30,384.71

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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.