Home / 47,908.91-71,863.37-18,335.81

Finding the Fourth Proportional to 47,908.91, 71,863.37 and 18,335.81

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Solution

The fourth proportional to 47,908.91, 71,863.37 and 18,335.81 is: 27,503.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,908.91 : 71,863.37 = 18,335.81 : x
  2. Step 2: Convert to fraction form
    47,908.91/71,863.37 = 18,335.81/x
  3. Step 3: Cross multiply
    47,908.91x = 71,863.37 × 18,335.81
  4. Step 4: Simplify right side
    47,908.91x = 1,317,673,098.28
  5. Step 5: Solve for x
    x = 1,317,673,098.28/47,908.91
  6. Step 6: Final answer
    x = 27,503.72

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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.