Home / 36,691.48-50,634.84-20,775.52

Finding the Fourth Proportional to 36,691.48, 50,634.84 and 20,775.52

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Solution

The fourth proportional to 36,691.48, 50,634.84 and 20,775.52 is: 28,670.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691.48 : 50,634.84 = 20,775.52 : x
  2. Step 2: Convert to fraction form
    36,691.48/50,634.84 = 20,775.52/x
  3. Step 3: Cross multiply
    36,691.48x = 50,634.84 × 20,775.52
  4. Step 4: Simplify right side
    36,691.48x = 1,051,965,131.12
  5. Step 5: Solve for x
    x = 1,051,965,131.12/36,691.48
  6. Step 6: Final answer
    x = 28,670.56

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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.