Home / 47,651.52-71,516.16-19,968.96

Finding the Fourth Proportional to 47,651.52, 71,516.16 and 19,968.96

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Solution

The fourth proportional to 47,651.52, 71,516.16 and 19,968.96 is: 29,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,651.52 : 71,516.16 = 19,968.96 : x
  2. Step 2: Convert to fraction form
    47,651.52/71,516.16 = 19,968.96/x
  3. Step 3: Cross multiply
    47,651.52x = 71,516.16 × 19,968.96
  4. Step 4: Simplify right side
    47,651.52x = 1,428,103,338.39
  5. Step 5: Solve for x
    x = 1,428,103,338.39/47,651.52
  6. Step 6: Final answer
    x = 29,969.73

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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.