Home / 20,682.42-31,023.27-5,891.46

Finding the Fourth Proportional to 20,682.42, 31,023.27 and 5,891.46

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Solution

The fourth proportional to 20,682.42, 31,023.27 and 5,891.46 is: 8,837.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,682.42 : 31,023.27 = 5,891.46 : x
  2. Step 2: Convert to fraction form
    20,682.42/31,023.27 = 5,891.46/x
  3. Step 3: Cross multiply
    20,682.42x = 31,023.27 × 5,891.46
  4. Step 4: Simplify right side
    20,682.42x = 182,772,354.27
  5. Step 5: Solve for x
    x = 182,772,354.27/20,682.42
  6. Step 6: Final answer
    x = 8,837.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.