Home / 36,781.76-55,204.68-19,263.92

Finding the Fourth Proportional to 36,781.76, 55,204.68 and 19,263.92

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Solution

The fourth proportional to 36,781.76, 55,204.68 and 19,263.92 is: 28,912.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,781.76 : 55,204.68 = 19,263.92 : x
  2. Step 2: Convert to fraction form
    36,781.76/55,204.68 = 19,263.92/x
  3. Step 3: Cross multiply
    36,781.76x = 55,204.68 × 19,263.92
  4. Step 4: Simplify right side
    36,781.76x = 1,063,458,539.15
  5. Step 5: Solve for x
    x = 1,063,458,539.15/36,781.76
  6. Step 6: Final answer
    x = 28,912.66

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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.