Home / 20,131.97-30,148.53-16,600.37

Finding the Fourth Proportional to 20,131.97, 30,148.53 and 16,600.37

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Solution

The fourth proportional to 20,131.97, 30,148.53 and 16,600.37 is: 24,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,131.97 : 30,148.53 = 16,600.37 : x
  2. Step 2: Convert to fraction form
    20,131.97/30,148.53 = 16,600.37/x
  3. Step 3: Cross multiply
    20,131.97x = 30,148.53 × 16,600.37
  4. Step 4: Simplify right side
    20,131.97x = 500,476,602.21
  5. Step 5: Solve for x
    x = 500,476,602.21/20,131.97
  6. Step 6: Final answer
    x = 24,859.80

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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.