Home / 20,033.40-30,049.75-8,184.57

Finding the Fourth Proportional to 20,033.40, 30,049.75 and 8,184.57

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Solution

The fourth proportional to 20,033.40, 30,049.75 and 8,184.57 is: 12,276.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.40 : 30,049.75 = 8,184.57 : x
  2. Step 2: Convert to fraction form
    20,033.40/30,049.75 = 8,184.57/x
  3. Step 3: Cross multiply
    20,033.40x = 30,049.75 × 8,184.57
  4. Step 4: Simplify right side
    20,033.40x = 245,944,282.36
  5. Step 5: Solve for x
    x = 245,944,282.36/20,033.40
  6. Step 6: Final answer
    x = 12,276.71

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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.