Home / 20,029.58-30,044.44-18,811.68

Finding the Fourth Proportional to 20,029.58, 30,044.44 and 18,811.68

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Solution

The fourth proportional to 20,029.58, 30,044.44 and 18,811.68 is: 28,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.58 : 30,044.44 = 18,811.68 : x
  2. Step 2: Convert to fraction form
    20,029.58/30,044.44 = 18,811.68/x
  3. Step 3: Cross multiply
    20,029.58x = 30,044.44 × 18,811.68
  4. Step 4: Simplify right side
    20,029.58x = 565,186,391.06
  5. Step 5: Solve for x
    x = 565,186,391.06/20,029.58
  6. Step 6: Final answer
    x = 28,217.59

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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.