Home / 53,738.52-80,615.07-18,673.62

Finding the Fourth Proportional to 53,738.52, 80,615.07 and 18,673.62

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Solution

The fourth proportional to 53,738.52, 80,615.07 and 18,673.62 is: 28,012.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,738.52 : 80,615.07 = 18,673.62 : x
  2. Step 2: Convert to fraction form
    53,738.52/80,615.07 = 18,673.62/x
  3. Step 3: Cross multiply
    53,738.52x = 80,615.07 × 18,673.62
  4. Step 4: Simplify right side
    53,738.52x = 1,505,375,183.45
  5. Step 5: Solve for x
    x = 1,505,375,183.45/53,738.52
  6. Step 6: Final answer
    x = 28,012.96

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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.