Home / 49,679.79-74,553.15-18,515.04

Finding the Fourth Proportional to 49,679.79, 74,553.15 and 18,515.04

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Solution

The fourth proportional to 49,679.79, 74,553.15 and 18,515.04 is: 27,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,679.79 : 74,553.15 = 18,515.04 : x
  2. Step 2: Convert to fraction form
    49,679.79/74,553.15 = 18,515.04/x
  3. Step 3: Cross multiply
    49,679.79x = 74,553.15 × 18,515.04
  4. Step 4: Simplify right side
    49,679.79x = 1,380,354,554.38
  5. Step 5: Solve for x
    x = 1,380,354,554.38/49,679.79
  6. Step 6: Final answer
    x = 27,785.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.