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Finding the Fourth Proportional to 66,906.74, 92,331.42 and 36,692.27

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Solution

The fourth proportional to 66,906.74, 92,331.42 and 36,692.27 is: 50,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,906.74 : 92,331.42 = 36,692.27 : x
  2. Step 2: Convert to fraction form
    66,906.74/92,331.42 = 36,692.27/x
  3. Step 3: Cross multiply
    66,906.74x = 92,331.42 × 36,692.27
  4. Step 4: Simplify right side
    66,906.74x = 3,387,849,414.31
  5. Step 5: Solve for x
    x = 3,387,849,414.31/66,906.74
  6. Step 6: Final answer
    x = 50,635.40

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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.