Home / 20,031.60-30,049.68-5,992.44

Finding the Fourth Proportional to 20,031.60, 30,049.68 and 5,992.44

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Solution

The fourth proportional to 20,031.60, 30,049.68 and 5,992.44 is: 8,989.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031.60 : 30,049.68 = 5,992.44 : x
  2. Step 2: Convert to fraction form
    20,031.60/30,049.68 = 5,992.44/x
  3. Step 3: Cross multiply
    20,031.60x = 30,049.68 × 5,992.44
  4. Step 4: Simplify right side
    20,031.60x = 180,070,904.42
  5. Step 5: Solve for x
    x = 180,070,904.42/20,031.60
  6. Step 6: Final answer
    x = 8,989.34

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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.