Home / 33,612.96-50,435.74-21,138.86

Finding the Fourth Proportional to 33,612.96, 50,435.74 and 21,138.86

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Solution

The fourth proportional to 33,612.96, 50,435.74 and 21,138.86 is: 31,718.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,612.96 : 50,435.74 = 21,138.86 : x
  2. Step 2: Convert to fraction form
    33,612.96/50,435.74 = 21,138.86/x
  3. Step 3: Cross multiply
    33,612.96x = 50,435.74 × 21,138.86
  4. Step 4: Simplify right side
    33,612.96x = 1,066,154,046.86
  5. Step 5: Solve for x
    x = 1,066,154,046.86/33,612.96
  6. Step 6: Final answer
    x = 31,718.54

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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.