Home / 36,786.96-50,765.55-21,680.28

Finding the Fourth Proportional to 36,786.96, 50,765.55 and 21,680.28

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Solution

The fourth proportional to 36,786.96, 50,765.55 and 21,680.28 is: 29,918.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,786.96 : 50,765.55 = 21,680.28 : x
  2. Step 2: Convert to fraction form
    36,786.96/50,765.55 = 21,680.28/x
  3. Step 3: Cross multiply
    36,786.96x = 50,765.55 × 21,680.28
  4. Step 4: Simplify right side
    36,786.96x = 1,100,611,338.35
  5. Step 5: Solve for x
    x = 1,100,611,338.35/36,786.96
  6. Step 6: Final answer
    x = 29,918.52

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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.