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Finding the Fourth Proportional to 29,863.55, 44,790.42 and 11,138.69

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Solution

The fourth proportional to 29,863.55, 44,790.42 and 11,138.69 is: 16,706.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,863.55 : 44,790.42 = 11,138.69 : x
  2. Step 2: Convert to fraction form
    29,863.55/44,790.42 = 11,138.69/x
  3. Step 3: Cross multiply
    29,863.55x = 44,790.42 × 11,138.69
  4. Step 4: Simplify right side
    29,863.55x = 498,906,603.35
  5. Step 5: Solve for x
    x = 498,906,603.35/29,863.55
  6. Step 6: Final answer
    x = 16,706.21

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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.