Home / 20,029.34-30,049.32-5,988.80

Finding the Fourth Proportional to 20,029.34, 30,049.32 and 5,988.80

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Solution

The fourth proportional to 20,029.34, 30,049.32 and 5,988.80 is: 8,984.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.34 : 30,049.32 = 5,988.80 : x
  2. Step 2: Convert to fraction form
    20,029.34/30,049.32 = 5,988.80/x
  3. Step 3: Cross multiply
    20,029.34x = 30,049.32 × 5,988.80
  4. Step 4: Simplify right side
    20,029.34x = 179,959,367.62
  5. Step 5: Solve for x
    x = 179,959,367.62/20,029.34
  6. Step 6: Final answer
    x = 8,984.79

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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.