Home / 36,576.30-50,479.40-20,661.77

Finding the Fourth Proportional to 36,576.30, 50,479.40 and 20,661.77

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Solution

The fourth proportional to 36,576.30, 50,479.40 and 20,661.77 is: 28,515.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,576.30 : 50,479.40 = 20,661.77 : x
  2. Step 2: Convert to fraction form
    36,576.30/50,479.40 = 20,661.77/x
  3. Step 3: Cross multiply
    36,576.30x = 50,479.40 × 20,661.77
  4. Step 4: Simplify right side
    36,576.30x = 1,042,993,752.54
  5. Step 5: Solve for x
    x = 1,042,993,752.54/36,576.30
  6. Step 6: Final answer
    x = 28,515.57

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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.