Home / 67,121.82-92,630.49-36,909.45

Finding the Fourth Proportional to 67,121.82, 92,630.49 and 36,909.45

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Solution

The fourth proportional to 67,121.82, 92,630.49 and 36,909.45 is: 50,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,121.82 : 92,630.49 = 36,909.45 : x
  2. Step 2: Convert to fraction form
    67,121.82/92,630.49 = 36,909.45/x
  3. Step 3: Cross multiply
    67,121.82x = 92,630.49 × 36,909.45
  4. Step 4: Simplify right side
    67,121.82x = 3,418,940,439.13
  5. Step 5: Solve for x
    x = 3,418,940,439.13/67,121.82
  6. Step 6: Final answer
    x = 50,936.35

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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.