Home / 20,818.52-31,232.34-6,028.04

Finding the Fourth Proportional to 20,818.52, 31,232.34 and 6,028.04

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Solution

The fourth proportional to 20,818.52, 31,232.34 and 6,028.04 is: 9,043.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,818.52 : 31,232.34 = 6,028.04 : x
  2. Step 2: Convert to fraction form
    20,818.52/31,232.34 = 6,028.04/x
  3. Step 3: Cross multiply
    20,818.52x = 31,232.34 × 6,028.04
  4. Step 4: Simplify right side
    20,818.52x = 188,269,794.81
  5. Step 5: Solve for x
    x = 188,269,794.81/20,818.52
  6. Step 6: Final answer
    x = 9,043.38

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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.