Home / 49,469.57-74,207.79-19,887.42

Finding the Fourth Proportional to 49,469.57, 74,207.79 and 19,887.42

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Solution

The fourth proportional to 49,469.57, 74,207.79 and 19,887.42 is: 29,832.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,469.57 : 74,207.79 = 19,887.42 : x
  2. Step 2: Convert to fraction form
    49,469.57/74,207.79 = 19,887.42/x
  3. Step 3: Cross multiply
    49,469.57x = 74,207.79 × 19,887.42
  4. Step 4: Simplify right side
    49,469.57x = 1,475,801,487.00
  5. Step 5: Solve for x
    x = 1,475,801,487.00/49,469.57
  6. Step 6: Final answer
    x = 29,832.51

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1.5x scale

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.