Home / 36,419.62-54,611.14-21,227.08

Finding the Fourth Proportional to 36,419.62, 54,611.14 and 21,227.08

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Solution

The fourth proportional to 36,419.62, 54,611.14 and 21,227.08 is: 31,829.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,419.62 : 54,611.14 = 21,227.08 : x
  2. Step 2: Convert to fraction form
    36,419.62/54,611.14 = 21,227.08/x
  3. Step 3: Cross multiply
    36,419.62x = 54,611.14 × 21,227.08
  4. Step 4: Simplify right side
    36,419.62x = 1,159,235,037.67
  5. Step 5: Solve for x
    x = 1,159,235,037.67/36,419.62
  6. Step 6: Final answer
    x = 31,829.96

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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.