Home / 53,758.26-80,649.48-18,217.56

Finding the Fourth Proportional to 53,758.26, 80,649.48 and 18,217.56

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Solution

The fourth proportional to 53,758.26, 80,649.48 and 18,217.56 is: 27,330.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,758.26 : 80,649.48 = 18,217.56 : x
  2. Step 2: Convert to fraction form
    53,758.26/80,649.48 = 18,217.56/x
  3. Step 3: Cross multiply
    53,758.26x = 80,649.48 × 18,217.56
  4. Step 4: Simplify right side
    53,758.26x = 1,469,236,740.87
  5. Step 5: Solve for x
    x = 1,469,236,740.87/53,758.26
  6. Step 6: Final answer
    x = 27,330.44

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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.