Home / 71,736.28-107,596.26-19,149.88

Finding the Fourth Proportional to 71,736.28, 107,596.26 and 19,149.88

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Solution

The fourth proportional to 71,736.28, 107,596.26 and 19,149.88 is: 28,722.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,736.28 : 107,596.26 = 19,149.88 : x
  2. Step 2: Convert to fraction form
    71,736.28/107,596.26 = 19,149.88/x
  3. Step 3: Cross multiply
    71,736.28x = 107,596.26 × 19,149.88
  4. Step 4: Simplify right side
    71,736.28x = 2,060,455,467.45
  5. Step 5: Solve for x
    x = 2,060,455,467.45/71,736.28
  6. Step 6: Final answer
    x = 28,722.64

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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.