Home / 33,178.46-49,742.88-20,027.78

Finding the Fourth Proportional to 33,178.46, 49,742.88 and 20,027.78

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Solution

The fourth proportional to 33,178.46, 49,742.88 and 20,027.78 is: 30,026.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,178.46 : 49,742.88 = 20,027.78 : x
  2. Step 2: Convert to fraction form
    33,178.46/49,742.88 = 20,027.78/x
  3. Step 3: Cross multiply
    33,178.46x = 49,742.88 × 20,027.78
  4. Step 4: Simplify right side
    33,178.46x = 996,239,457.21
  5. Step 5: Solve for x
    x = 996,239,457.21/33,178.46
  6. Step 6: Final answer
    x = 30,026.69

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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.