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Finding the Fourth Proportional to 66,843.58, 92,244.06 and 36,630.79

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Solution

The fourth proportional to 66,843.58, 92,244.06 and 36,630.79 is: 50,550.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,843.58 : 92,244.06 = 36,630.79 : x
  2. Step 2: Convert to fraction form
    66,843.58/92,244.06 = 36,630.79/x
  3. Step 3: Cross multiply
    66,843.58x = 92,244.06 × 36,630.79
  4. Step 4: Simplify right side
    66,843.58x = 3,378,972,790.61
  5. Step 5: Solve for x
    x = 3,378,972,790.61/66,843.58
  6. Step 6: Final answer
    x = 50,550.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.