Home / 21,200.42-31,793.25-6,203.54

Finding the Fourth Proportional to 21,200.42, 31,793.25 and 6,203.54

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Solution

The fourth proportional to 21,200.42, 31,793.25 and 6,203.54 is: 9,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,200.42 : 31,793.25 = 6,203.54 : x
  2. Step 2: Convert to fraction form
    21,200.42/31,793.25 = 6,203.54/x
  3. Step 3: Cross multiply
    21,200.42x = 31,793.25 × 6,203.54
  4. Step 4: Simplify right side
    21,200.42x = 197,230,698.11
  5. Step 5: Solve for x
    x = 197,230,698.11/21,200.42
  6. Step 6: Final answer
    x = 9,303.15

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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.