Home / 47,778.24-71,698.58-18,196.36

Finding the Fourth Proportional to 47,778.24, 71,698.58 and 18,196.36

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Solution

The fourth proportional to 47,778.24, 71,698.58 and 18,196.36 is: 27,306.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,778.24 : 71,698.58 = 18,196.36 : x
  2. Step 2: Convert to fraction form
    47,778.24/71,698.58 = 18,196.36/x
  3. Step 3: Cross multiply
    47,778.24x = 71,698.58 × 18,196.36
  4. Step 4: Simplify right side
    47,778.24x = 1,304,653,173.17
  5. Step 5: Solve for x
    x = 1,304,653,173.17/47,778.24
  6. Step 6: Final answer
    x = 27,306.43

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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.