Home / 36,696.57-50,641.11-20,780.61

Finding the Fourth Proportional to 36,696.57, 50,641.11 and 20,780.61

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Solution

The fourth proportional to 36,696.57, 50,641.11 and 20,780.61 is: 28,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,696.57 : 50,641.11 = 20,780.61 : x
  2. Step 2: Convert to fraction form
    36,696.57/50,641.11 = 20,780.61/x
  3. Step 3: Cross multiply
    36,696.57x = 50,641.11 × 20,780.61
  4. Step 4: Simplify right side
    36,696.57x = 1,052,353,156.88
  5. Step 5: Solve for x
    x = 1,052,353,156.88/36,696.57
  6. Step 6: Final answer
    x = 28,677.15

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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.