Home / 49,281.75-73,905.21-19,691.64

Finding the Fourth Proportional to 49,281.75, 73,905.21 and 19,691.64

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Solution

The fourth proportional to 49,281.75, 73,905.21 and 19,691.64 is: 29,530.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,281.75 : 73,905.21 = 19,691.64 : x
  2. Step 2: Convert to fraction form
    49,281.75/73,905.21 = 19,691.64/x
  3. Step 3: Cross multiply
    49,281.75x = 73,905.21 × 19,691.64
  4. Step 4: Simplify right side
    49,281.75x = 1,455,314,789.44
  5. Step 5: Solve for x
    x = 1,455,314,789.44/49,281.75
  6. Step 6: Final answer
    x = 29,530.50

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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.