Home / 36,168.68-49,912.22-20,253.72

Finding the Fourth Proportional to 36,168.68, 49,912.22 and 20,253.72

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Solution

The fourth proportional to 36,168.68, 49,912.22 and 20,253.72 is: 27,949.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,168.68 : 49,912.22 = 20,253.72 : x
  2. Step 2: Convert to fraction form
    36,168.68/49,912.22 = 20,253.72/x
  3. Step 3: Cross multiply
    36,168.68x = 49,912.22 × 20,253.72
  4. Step 4: Simplify right side
    36,168.68x = 1,010,908,128.46
  5. Step 5: Solve for x
    x = 1,010,908,128.46/36,168.68
  6. Step 6: Final answer
    x = 27,949.82

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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.