Home / 49,494.78-74,213.01-19,887.66

Finding the Fourth Proportional to 49,494.78, 74,213.01 and 19,887.66

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Solution

The fourth proportional to 49,494.78, 74,213.01 and 19,887.66 is: 29,819.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,494.78 : 74,213.01 = 19,887.66 : x
  2. Step 2: Convert to fraction form
    49,494.78/74,213.01 = 19,887.66/x
  3. Step 3: Cross multiply
    49,494.78x = 74,213.01 × 19,887.66
  4. Step 4: Simplify right side
    49,494.78x = 1,475,923,110.46
  5. Step 5: Solve for x
    x = 1,475,923,110.46/49,494.78
  6. Step 6: Final answer
    x = 29,819.77

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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.