Home / 36,872.34-50,883.78-20,956.80

Finding the Fourth Proportional to 36,872.34, 50,883.78 and 20,956.80

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Solution

The fourth proportional to 36,872.34, 50,883.78 and 20,956.80 is: 28,920.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,872.34 : 50,883.78 = 20,956.80 : x
  2. Step 2: Convert to fraction form
    36,872.34/50,883.78 = 20,956.80/x
  3. Step 3: Cross multiply
    36,872.34x = 50,883.78 × 20,956.80
  4. Step 4: Simplify right side
    36,872.34x = 1,066,361,200.70
  5. Step 5: Solve for x
    x = 1,066,361,200.70/36,872.34
  6. Step 6: Final answer
    x = 28,920.36

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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.