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Finding the Fourth Proportional to 49,373.73, 68,135.72 and 27,868.01

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Solution

The fourth proportional to 49,373.73, 68,135.72 and 27,868.01 is: 38,457.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,373.73 : 68,135.72 = 27,868.01 : x
  2. Step 2: Convert to fraction form
    49,373.73/68,135.72 = 27,868.01/x
  3. Step 3: Cross multiply
    49,373.73x = 68,135.72 × 27,868.01
  4. Step 4: Simplify right side
    49,373.73x = 1,898,806,446.30
  5. Step 5: Solve for x
    x = 1,898,806,446.30/49,373.73
  6. Step 6: Final answer
    x = 38,457.83

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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.