Home / 32,905.20-49,357.80-13,197.90

Finding the Fourth Proportional to 32,905.20, 49,357.80 and 13,197.90

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Solution

The fourth proportional to 32,905.20, 49,357.80 and 13,197.90 is: 19,796.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,905.20 : 49,357.80 = 13,197.90 : x
  2. Step 2: Convert to fraction form
    32,905.20/49,357.80 = 13,197.90/x
  3. Step 3: Cross multiply
    32,905.20x = 49,357.80 × 13,197.90
  4. Step 4: Simplify right side
    32,905.20x = 651,419,308.62
  5. Step 5: Solve for x
    x = 651,419,308.62/32,905.20
  6. Step 6: Final answer
    x = 19,796.85

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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.