Home / 47,788.38-71,682.66-12,727.98

Finding the Fourth Proportional to 47,788.38, 71,682.66 and 12,727.98

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Solution

The fourth proportional to 47,788.38, 71,682.66 and 12,727.98 is: 19,091.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,788.38 : 71,682.66 = 12,727.98 : x
  2. Step 2: Convert to fraction form
    47,788.38/71,682.66 = 12,727.98/x
  3. Step 3: Cross multiply
    47,788.38x = 71,682.66 × 12,727.98
  4. Step 4: Simplify right side
    47,788.38x = 912,375,462.83
  5. Step 5: Solve for x
    x = 912,375,462.83/47,788.38
  6. Step 6: Final answer
    x = 19,091.99

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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.