Home / 35,486.66-48,956.22-20,375.85

Finding the Fourth Proportional to 35,486.66, 48,956.22 and 20,375.85

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Solution

The fourth proportional to 35,486.66, 48,956.22 and 20,375.85 is: 28,109.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,486.66 : 48,956.22 = 20,375.85 : x
  2. Step 2: Convert to fraction form
    35,486.66/48,956.22 = 20,375.85/x
  3. Step 3: Cross multiply
    35,486.66x = 48,956.22 × 20,375.85
  4. Step 4: Simplify right side
    35,486.66x = 997,524,836.18
  5. Step 5: Solve for x
    x = 997,524,836.18/35,486.66
  6. Step 6: Final answer
    x = 28,109.86

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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.