Home / 47,856.96-71,791.20-15,837.12

Finding the Fourth Proportional to 47,856.96, 71,791.20 and 15,837.12

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Solution

The fourth proportional to 47,856.96, 71,791.20 and 15,837.12 is: 23,757.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,856.96 : 71,791.20 = 15,837.12 : x
  2. Step 2: Convert to fraction form
    47,856.96/71,791.20 = 15,837.12/x
  3. Step 3: Cross multiply
    47,856.96x = 71,791.20 × 15,837.12
  4. Step 4: Simplify right side
    47,856.96x = 1,136,965,849.34
  5. Step 5: Solve for x
    x = 1,136,965,849.34/47,856.96
  6. Step 6: Final answer
    x = 23,757.59

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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.