Home / 47,791.13-71,695.35-19,695.56

Finding the Fourth Proportional to 47,791.13, 71,695.35 and 19,695.56

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Solution

The fourth proportional to 47,791.13, 71,695.35 and 19,695.56 is: 29,546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,791.13 : 71,695.35 = 19,695.56 : x
  2. Step 2: Convert to fraction form
    47,791.13/71,695.35 = 19,695.56/x
  3. Step 3: Cross multiply
    47,791.13x = 71,695.35 × 19,695.56
  4. Step 4: Simplify right side
    47,791.13x = 1,412,079,709.17
  5. Step 5: Solve for x
    x = 1,412,079,709.17/47,791.13
  6. Step 6: Final answer
    x = 29,546.90

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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.