Home / 53,674.20-80,488.82-20,375.90

Finding the Fourth Proportional to 53,674.20, 80,488.82 and 20,375.90

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Solution

The fourth proportional to 53,674.20, 80,488.82 and 20,375.90 is: 30,555.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,674.20 : 80,488.82 = 20,375.90 : x
  2. Step 2: Convert to fraction form
    53,674.20/80,488.82 = 20,375.90/x
  3. Step 3: Cross multiply
    53,674.20x = 80,488.82 × 20,375.90
  4. Step 4: Simplify right side
    53,674.20x = 1,640,032,147.44
  5. Step 5: Solve for x
    x = 1,640,032,147.44/53,674.20
  6. Step 6: Final answer
    x = 30,555.32

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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.