Home / 36,785.10-50,761.79-20,872.55

Finding the Fourth Proportional to 36,785.10, 50,761.79 and 20,872.55

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Solution

The fourth proportional to 36,785.10, 50,761.79 and 20,872.55 is: 28,803.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,785.10 : 50,761.79 = 20,872.55 : x
  2. Step 2: Convert to fraction form
    36,785.10/50,761.79 = 20,872.55/x
  3. Step 3: Cross multiply
    36,785.10x = 50,761.79 × 20,872.55
  4. Step 4: Simplify right side
    36,785.10x = 1,059,528,100.68
  5. Step 5: Solve for x
    x = 1,059,528,100.68/36,785.10
  6. Step 6: Final answer
    x = 28,803.18

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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.