Home / 50,721.26-76,081.90-39,611.30

Finding the Fourth Proportional to 50,721.26, 76,081.90 and 39,611.30

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Solution

The fourth proportional to 50,721.26, 76,081.90 and 39,611.30 is: 59,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,721.26 : 76,081.90 = 39,611.30 : x
  2. Step 2: Convert to fraction form
    50,721.26/76,081.90 = 39,611.30/x
  3. Step 3: Cross multiply
    50,721.26x = 76,081.90 × 39,611.30
  4. Step 4: Simplify right side
    50,721.26x = 3,013,702,965.47
  5. Step 5: Solve for x
    x = 3,013,702,965.47/50,721.26
  6. Step 6: Final answer
    x = 59,416.96

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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.