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Finding the Fourth Proportional to 36,610.80, 50,522.64 and 20,696.64

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Solution

The fourth proportional to 36,610.80, 50,522.64 and 20,696.64 is: 28,561.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,610.80 : 50,522.64 = 20,696.64 : x
  2. Step 2: Convert to fraction form
    36,610.80/50,522.64 = 20,696.64/x
  3. Step 3: Cross multiply
    36,610.80x = 50,522.64 × 20,696.64
  4. Step 4: Simplify right side
    36,610.80x = 1,045,648,891.93
  5. Step 5: Solve for x
    x = 1,045,648,891.93/36,610.80
  6. Step 6: Final answer
    x = 28,561.21

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1.5x scale

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.