Home / 33,057.12-49,597.20-12,286.56

Finding the Fourth Proportional to 33,057.12, 49,597.20 and 12,286.56

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Solution

The fourth proportional to 33,057.12, 49,597.20 and 12,286.56 is: 18,434.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,057.12 : 49,597.20 = 12,286.56 : x
  2. Step 2: Convert to fraction form
    33,057.12/49,597.20 = 12,286.56/x
  3. Step 3: Cross multiply
    33,057.12x = 49,597.20 × 12,286.56
  4. Step 4: Simplify right side
    33,057.12x = 609,378,973.63
  5. Step 5: Solve for x
    x = 609,378,973.63/33,057.12
  6. Step 6: Final answer
    x = 18,434.12

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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.