Home / 36,678.42-50,616.50-20,765.97

Finding the Fourth Proportional to 36,678.42, 50,616.50 and 20,765.97

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Solution

The fourth proportional to 36,678.42, 50,616.50 and 20,765.97 is: 28,657.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,678.42 : 50,616.50 = 20,765.97 : x
  2. Step 2: Convert to fraction form
    36,678.42/50,616.50 = 20,765.97/x
  3. Step 3: Cross multiply
    36,678.42x = 50,616.50 × 20,765.97
  4. Step 4: Simplify right side
    36,678.42x = 1,051,100,616.68
  5. Step 5: Solve for x
    x = 1,051,100,616.68/36,678.42
  6. Step 6: Final answer
    x = 28,657.19

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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.