Home / 36,727.74-50,680.16-20,808.78

Finding the Fourth Proportional to 36,727.74, 50,680.16 and 20,808.78

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Solution

The fourth proportional to 36,727.74, 50,680.16 and 20,808.78 is: 28,713.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,727.74 : 50,680.16 = 20,808.78 : x
  2. Step 2: Convert to fraction form
    36,727.74/50,680.16 = 20,808.78/x
  3. Step 3: Cross multiply
    36,727.74x = 50,680.16 × 20,808.78
  4. Step 4: Simplify right side
    36,727.74x = 1,054,592,299.80
  5. Step 5: Solve for x
    x = 1,054,592,299.80/36,727.74
  6. Step 6: Final answer
    x = 28,713.78

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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.