Home / 20,031.96-30,049.56-6,884.34

Finding the Fourth Proportional to 20,031.96, 30,049.56 and 6,884.34

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Solution

The fourth proportional to 20,031.96, 30,049.56 and 6,884.34 is: 10,327.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031.96 : 30,049.56 = 6,884.34 : x
  2. Step 2: Convert to fraction form
    20,031.96/30,049.56 = 6,884.34/x
  3. Step 3: Cross multiply
    20,031.96x = 30,049.56 × 6,884.34
  4. Step 4: Simplify right side
    20,031.96x = 206,871,387.89
  5. Step 5: Solve for x
    x = 206,871,387.89/20,031.96
  6. Step 6: Final answer
    x = 10,327.07

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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.