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Finding the Fourth Proportional to 47,653.92, 71,453.52 and 18,052.89

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Solution

The fourth proportional to 47,653.92, 71,453.52 and 18,052.89 is: 27,068.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,653.92 : 71,453.52 = 18,052.89 : x
  2. Step 2: Convert to fraction form
    47,653.92/71,453.52 = 18,052.89/x
  3. Step 3: Cross multiply
    47,653.92x = 71,453.52 × 18,052.89
  4. Step 4: Simplify right side
    47,653.92x = 1,289,942,536.67
  5. Step 5: Solve for x
    x = 1,289,942,536.67/47,653.92
  6. Step 6: Final answer
    x = 27,068.97

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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.