Home / 20,683.31-31,029.81-5,892.44

Finding the Fourth Proportional to 20,683.31, 31,029.81 and 5,892.44

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Solution

The fourth proportional to 20,683.31, 31,029.81 and 5,892.44 is: 8,840.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,683.31 : 31,029.81 = 5,892.44 : x
  2. Step 2: Convert to fraction form
    20,683.31/31,029.81 = 5,892.44/x
  3. Step 3: Cross multiply
    20,683.31x = 31,029.81 × 5,892.44
  4. Step 4: Simplify right side
    20,683.31x = 182,841,138.49
  5. Step 5: Solve for x
    x = 182,841,138.49/20,683.31
  6. Step 6: Final answer
    x = 8,840.03

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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.