Home / 36,691.41-50,635.28-20,775.45

Finding the Fourth Proportional to 36,691.41, 50,635.28 and 20,775.45

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Solution

The fourth proportional to 36,691.41, 50,635.28 and 20,775.45 is: 28,670.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691.41 : 50,635.28 = 20,775.45 : x
  2. Step 2: Convert to fraction form
    36,691.41/50,635.28 = 20,775.45/x
  3. Step 3: Cross multiply
    36,691.41x = 50,635.28 × 20,775.45
  4. Step 4: Simplify right side
    36,691.41x = 1,051,970,624.00
  5. Step 5: Solve for x
    x = 1,051,970,624.00/36,691.41
  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.