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Finding the Fourth Proportional to 44,786.17, 67,168.44 and 13,187.64

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Solution

The fourth proportional to 44,786.17, 67,168.44 and 13,187.64 is: 19,778.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,786.17 : 67,168.44 = 13,187.64 : x
  2. Step 2: Convert to fraction form
    44,786.17/67,168.44 = 13,187.64/x
  3. Step 3: Cross multiply
    44,786.17x = 67,168.44 × 13,187.64
  4. Step 4: Simplify right side
    44,786.17x = 885,792,891.23
  5. Step 5: Solve for x
    x = 885,792,891.23/44,786.17
  6. Step 6: Final answer
    x = 19,778.27

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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.