Home / 54,221.42-74,824.83-30,348.09

Finding the Fourth Proportional to 54,221.42, 74,824.83 and 30,348.09

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Solution

The fourth proportional to 54,221.42, 74,824.83 and 30,348.09 is: 41,879.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,221.42 : 74,824.83 = 30,348.09 : x
  2. Step 2: Convert to fraction form
    54,221.42/74,824.83 = 30,348.09/x
  3. Step 3: Cross multiply
    54,221.42x = 74,824.83 × 30,348.09
  4. Step 4: Simplify right side
    54,221.42x = 2,270,790,675.07
  5. Step 5: Solve for x
    x = 2,270,790,675.07/54,221.42
  6. Step 6: Final answer
    x = 41,879.95

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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.