Home / 33,278.56-45,917.74-21,183.92

Finding the Fourth Proportional to 33,278.56, 45,917.74 and 21,183.92

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Solution

The fourth proportional to 33,278.56, 45,917.74 and 21,183.92 is: 29,229.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.56 : 45,917.74 = 21,183.92 : x
  2. Step 2: Convert to fraction form
    33,278.56/45,917.74 = 21,183.92/x
  3. Step 3: Cross multiply
    33,278.56x = 45,917.74 × 21,183.92
  4. Step 4: Simplify right side
    33,278.56x = 972,717,730.74
  5. Step 5: Solve for x
    x = 972,717,730.74/33,278.56
  6. Step 6: Final answer
    x = 29,229.56

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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.