Home / 33,965.76-50,971.86-20,777.88

Finding the Fourth Proportional to 33,965.76, 50,971.86 and 20,777.88

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Solution

The fourth proportional to 33,965.76, 50,971.86 and 20,777.88 is: 31,181.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,965.76 : 50,971.86 = 20,777.88 : x
  2. Step 2: Convert to fraction form
    33,965.76/50,971.86 = 20,777.88/x
  3. Step 3: Cross multiply
    33,965.76x = 50,971.86 × 20,777.88
  4. Step 4: Simplify right side
    33,965.76x = 1,059,087,190.46
  5. Step 5: Solve for x
    x = 1,059,087,190.46/33,965.76
  6. Step 6: Final answer
    x = 31,181.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.