Home / 47,110.38-70,665.21-12,049.98

Finding the Fourth Proportional to 47,110.38, 70,665.21 and 12,049.98

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Solution

The fourth proportional to 47,110.38, 70,665.21 and 12,049.98 is: 18,074.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,110.38 : 70,665.21 = 12,049.98 : x
  2. Step 2: Convert to fraction form
    47,110.38/70,665.21 = 12,049.98/x
  3. Step 3: Cross multiply
    47,110.38x = 70,665.21 × 12,049.98
  4. Step 4: Simplify right side
    47,110.38x = 851,514,367.20
  5. Step 5: Solve for x
    x = 851,514,367.20/47,110.38
  6. Step 6: Final answer
    x = 18,074.88

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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.