Home / 36,605.30-50,516.19-20,689.81

Finding the Fourth Proportional to 36,605.30, 50,516.19 and 20,689.81

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Solution

The fourth proportional to 36,605.30, 50,516.19 and 20,689.81 is: 28,552.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,605.30 : 50,516.19 = 20,689.81 : x
  2. Step 2: Convert to fraction form
    36,605.30/50,516.19 = 20,689.81/x
  3. Step 3: Cross multiply
    36,605.30x = 50,516.19 × 20,689.81
  4. Step 4: Simplify right side
    36,605.30x = 1,045,170,120.44
  5. Step 5: Solve for x
    x = 1,045,170,120.44/36,605.30
  6. Step 6: Final answer
    x = 28,552.43

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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.