Home / 49,218.45-67,920.85-27,997.66

Finding the Fourth Proportional to 49,218.45, 67,920.85 and 27,997.66

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Solution

The fourth proportional to 49,218.45, 67,920.85 and 27,997.66 is: 38,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,218.45 : 67,920.85 = 27,997.66 : x
  2. Step 2: Convert to fraction form
    49,218.45/67,920.85 = 27,997.66/x
  3. Step 3: Cross multiply
    49,218.45x = 67,920.85 × 27,997.66
  4. Step 4: Simplify right side
    49,218.45x = 1,901,624,865.21
  5. Step 5: Solve for x
    x = 1,901,624,865.21/49,218.45
  6. Step 6: Final answer
    x = 38,636.42

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Double scale
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Similar ratio
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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.