Home / 47,616.76-71,429.92-17,639.07

Finding the Fourth Proportional to 47,616.76, 71,429.92 and 17,639.07

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Solution

The fourth proportional to 47,616.76, 71,429.92 and 17,639.07 is: 26,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,616.76 : 71,429.92 = 17,639.07 : x
  2. Step 2: Convert to fraction form
    47,616.76/71,429.92 = 17,639.07/x
  3. Step 3: Cross multiply
    47,616.76x = 71,429.92 × 17,639.07
  4. Step 4: Simplify right side
    47,616.76x = 1,259,957,358.97
  5. Step 5: Solve for x
    x = 1,259,957,358.97/47,616.76
  6. Step 6: Final answer
    x = 26,460.38

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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.