Home / 47,786.52-71,694.24-19,308.84

Finding the Fourth Proportional to 47,786.52, 71,694.24 and 19,308.84

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Solution

The fourth proportional to 47,786.52, 71,694.24 and 19,308.84 is: 28,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,786.52 : 71,694.24 = 19,308.84 : x
  2. Step 2: Convert to fraction form
    47,786.52/71,694.24 = 19,308.84/x
  3. Step 3: Cross multiply
    47,786.52x = 71,694.24 × 19,308.84
  4. Step 4: Simplify right side
    47,786.52x = 1,384,332,609.08
  5. Step 5: Solve for x
    x = 1,384,332,609.08/47,786.52
  6. Step 6: Final answer
    x = 28,969.10

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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.