Home / 36,691.43-50,635.26-20,775.47

Finding the Fourth Proportional to 36,691.43, 50,635.26 and 20,775.47

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Solution

The fourth proportional to 36,691.43, 50,635.26 and 20,775.47 is: 28,670.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691.43 : 50,635.26 = 20,775.47 : x
  2. Step 2: Convert to fraction form
    36,691.43/50,635.26 = 20,775.47/x
  3. Step 3: Cross multiply
    36,691.43x = 50,635.26 × 20,775.47
  4. Step 4: Simplify right side
    36,691.43x = 1,051,971,071.90
  5. Step 5: Solve for x
    x = 1,051,971,071.90/36,691.43
  6. Step 6: Final answer
    x = 28,670.76

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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.