Home / 50,734.38-76,089.26-21,136.07

Finding the Fourth Proportional to 50,734.38, 76,089.26 and 21,136.07

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Solution

The fourth proportional to 50,734.38, 76,089.26 and 21,136.07 is: 31,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,734.38 : 76,089.26 = 21,136.07 : x
  2. Step 2: Convert to fraction form
    50,734.38/76,089.26 = 21,136.07/x
  3. Step 3: Cross multiply
    50,734.38x = 76,089.26 × 21,136.07
  4. Step 4: Simplify right side
    50,734.38x = 1,608,227,702.03
  5. Step 5: Solve for x
    x = 1,608,227,702.03/50,734.38
  6. Step 6: Final answer
    x = 31,698.97

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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.