Home / 36,576.36-50,479.49-20,661.84

Finding the Fourth Proportional to 36,576.36, 50,479.49 and 20,661.84

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Solution

The fourth proportional to 36,576.36, 50,479.49 and 20,661.84 is: 28,515.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,576.36 : 50,479.49 = 20,661.84 : x
  2. Step 2: Convert to fraction form
    36,576.36/50,479.49 = 20,661.84/x
  3. Step 3: Cross multiply
    36,576.36x = 50,479.49 × 20,661.84
  4. Step 4: Simplify right side
    36,576.36x = 1,042,998,789.95
  5. Step 5: Solve for x
    x = 1,042,998,789.95/36,576.36
  6. Step 6: Final answer
    x = 28,515.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.