Home / 49,380.30-74,005.65-19,773.90

Finding the Fourth Proportional to 49,380.30, 74,005.65 and 19,773.90

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Solution

The fourth proportional to 49,380.30, 74,005.65 and 19,773.90 is: 29,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,380.30 : 74,005.65 = 19,773.90 : x
  2. Step 2: Convert to fraction form
    49,380.30/74,005.65 = 19,773.90/x
  3. Step 3: Cross multiply
    49,380.30x = 74,005.65 × 19,773.90
  4. Step 4: Simplify right side
    49,380.30x = 1,463,380,322.54
  5. Step 5: Solve for x
    x = 1,463,380,322.54/49,380.30
  6. Step 6: Final answer
    x = 29,634.90

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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.