Home / 71,765.24-107,611.67-21,835.76

Finding the Fourth Proportional to 71,765.24, 107,611.67 and 21,835.76

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Solution

The fourth proportional to 71,765.24, 107,611.67 and 21,835.76 is: 32,742.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,765.24 : 107,611.67 = 21,835.76 : x
  2. Step 2: Convert to fraction form
    71,765.24/107,611.67 = 21,835.76/x
  3. Step 3: Cross multiply
    71,765.24x = 107,611.67 × 21,835.76
  4. Step 4: Simplify right side
    71,765.24x = 2,349,782,115.85
  5. Step 5: Solve for x
    x = 2,349,782,115.85/71,765.24
  6. Step 6: Final answer
    x = 32,742.62

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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.