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Finding the Fourth Proportional to 34,624.58, 47,786.52 and 19,520.50

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Solution

The fourth proportional to 34,624.58, 47,786.52 and 19,520.50 is: 26,940.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,624.58 : 47,786.52 = 19,520.50 : x
  2. Step 2: Convert to fraction form
    34,624.58/47,786.52 = 19,520.50/x
  3. Step 3: Cross multiply
    34,624.58x = 47,786.52 × 19,520.50
  4. Step 4: Simplify right side
    34,624.58x = 932,816,763.66
  5. Step 5: Solve for x
    x = 932,816,763.66/34,624.58
  6. Step 6: Final answer
    x = 26,940.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.