Home / 39,524.46-54,544.56-21,620.64

Finding the Fourth Proportional to 39,524.46, 54,544.56 and 21,620.64

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Solution

The fourth proportional to 39,524.46, 54,544.56 and 21,620.64 is: 29,836.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,524.46 : 54,544.56 = 21,620.64 : x
  2. Step 2: Convert to fraction form
    39,524.46/54,544.56 = 21,620.64/x
  3. Step 3: Cross multiply
    39,524.46x = 54,544.56 × 21,620.64
  4. Step 4: Simplify right side
    39,524.46x = 1,179,288,295.72
  5. Step 5: Solve for x
    x = 1,179,288,295.72/39,524.46
  6. Step 6: Final answer
    x = 29,836.92

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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.