Home / 53,992.87-80,988.72-18,453.85

Finding the Fourth Proportional to 53,992.87, 80,988.72 and 18,453.85

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Solution

The fourth proportional to 53,992.87, 80,988.72 and 18,453.85 is: 27,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,992.87 : 80,988.72 = 18,453.85 : x
  2. Step 2: Convert to fraction form
    53,992.87/80,988.72 = 18,453.85/x
  3. Step 3: Cross multiply
    53,992.87x = 80,988.72 × 18,453.85
  4. Step 4: Simplify right side
    53,992.87x = 1,494,553,690.57
  5. Step 5: Solve for x
    x = 1,494,553,690.57/53,992.87
  6. Step 6: Final answer
    x = 27,680.58

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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.