Home / 33,278.28-49,901.82-12,213.06

Finding the Fourth Proportional to 33,278.28, 49,901.82 and 12,213.06

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Solution

The fourth proportional to 33,278.28, 49,901.82 and 12,213.06 is: 18,313.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.28 : 49,901.82 = 12,213.06 : x
  2. Step 2: Convert to fraction form
    33,278.28/49,901.82 = 12,213.06/x
  3. Step 3: Cross multiply
    33,278.28x = 49,901.82 × 12,213.06
  4. Step 4: Simplify right side
    33,278.28x = 609,453,921.77
  5. Step 5: Solve for x
    x = 609,453,921.77/33,278.28
  6. Step 6: Final answer
    x = 18,313.86

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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.