Home / 29,108.30-43,662.45-8,331.80

Finding the Fourth Proportional to 29,108.30, 43,662.45 and 8,331.80

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Solution

The fourth proportional to 29,108.30, 43,662.45 and 8,331.80 is: 12,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,108.30 : 43,662.45 = 8,331.80 : x
  2. Step 2: Convert to fraction form
    29,108.30/43,662.45 = 8,331.80/x
  3. Step 3: Cross multiply
    29,108.30x = 43,662.45 × 8,331.80
  4. Step 4: Simplify right side
    29,108.30x = 363,786,800.91
  5. Step 5: Solve for x
    x = 363,786,800.91/29,108.30
  6. Step 6: Final answer
    x = 12,497.70

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1.5x scale

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.