Home / 36,780.67-50,756.84-21,673.96

Finding the Fourth Proportional to 36,780.67, 50,756.84 and 21,673.96

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Solution

The fourth proportional to 36,780.67, 50,756.84 and 21,673.96 is: 29,909.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,780.67 : 50,756.84 = 21,673.96 : x
  2. Step 2: Convert to fraction form
    36,780.67/50,756.84 = 21,673.96/x
  3. Step 3: Cross multiply
    36,780.67x = 50,756.84 × 21,673.96
  4. Step 4: Simplify right side
    36,780.67x = 1,100,101,611.52
  5. Step 5: Solve for x
    x = 1,100,101,611.52/36,780.67
  6. Step 6: Final answer
    x = 29,909.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.