Home / 36,575.80-50,478.71-20,661.27

Finding the Fourth Proportional to 36,575.80, 50,478.71 and 20,661.27

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Solution

The fourth proportional to 36,575.80, 50,478.71 and 20,661.27 is: 28,514.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,575.80 : 50,478.71 = 20,661.27 : x
  2. Step 2: Convert to fraction form
    36,575.80/50,478.71 = 20,661.27/x
  3. Step 3: Cross multiply
    36,575.80x = 50,478.71 × 20,661.27
  4. Step 4: Simplify right side
    36,575.80x = 1,042,954,256.56
  5. Step 5: Solve for x
    x = 1,042,954,256.56/36,575.80
  6. Step 6: Final answer
    x = 28,514.88

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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.