Home / 20,031.48-30,047.09-8,182.73

Finding the Fourth Proportional to 20,031.48, 30,047.09 and 8,182.73

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Solution

The fourth proportional to 20,031.48, 30,047.09 and 8,182.73 is: 12,274.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031.48 : 30,047.09 = 8,182.73 : x
  2. Step 2: Convert to fraction form
    20,031.48/30,047.09 = 8,182.73/x
  3. Step 3: Cross multiply
    20,031.48x = 30,047.09 × 8,182.73
  4. Step 4: Simplify right side
    20,031.48x = 245,867,224.76
  5. Step 5: Solve for x
    x = 245,867,224.76/20,031.48
  6. Step 6: Final answer
    x = 12,274.04

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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.