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Finding the Fourth Proportional to 29,976.12, 44,950.20 and 8,908.42

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Solution

The fourth proportional to 29,976.12, 44,950.20 and 8,908.42 is: 13,358.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,976.12 : 44,950.20 = 8,908.42 : x
  2. Step 2: Convert to fraction form
    29,976.12/44,950.20 = 8,908.42/x
  3. Step 3: Cross multiply
    29,976.12x = 44,950.20 × 8,908.42
  4. Step 4: Simplify right side
    29,976.12x = 400,435,260.68
  5. Step 5: Solve for x
    x = 400,435,260.68/29,976.12
  6. Step 6: Final answer
    x = 13,358.48

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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.