Home / 49,218.45-67,915.31-27,998.07

Finding the Fourth Proportional to 49,218.45, 67,915.31 and 27,998.07

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Solution

The fourth proportional to 49,218.45, 67,915.31 and 27,998.07 is: 38,633.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,218.45 : 67,915.31 = 27,998.07 : x
  2. Step 2: Convert to fraction form
    49,218.45/67,915.31 = 27,998.07/x
  3. Step 3: Cross multiply
    49,218.45x = 67,915.31 × 27,998.07
  4. Step 4: Simplify right side
    49,218.45x = 1,901,497,463.46
  5. Step 5: Solve for x
    x = 1,901,497,463.46/49,218.45
  6. Step 6: Final answer
    x = 38,633.83

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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.