Home / 20,031.52-30,048.03-5,991.73

Finding the Fourth Proportional to 20,031.52, 30,048.03 and 5,991.73

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Solution

The fourth proportional to 20,031.52, 30,048.03 and 5,991.73 is: 8,987.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031.52 : 30,048.03 = 5,991.73 : x
  2. Step 2: Convert to fraction form
    20,031.52/30,048.03 = 5,991.73/x
  3. Step 3: Cross multiply
    20,031.52x = 30,048.03 × 5,991.73
  4. Step 4: Simplify right side
    20,031.52x = 180,039,682.79
  5. Step 5: Solve for x
    x = 180,039,682.79/20,031.52
  6. Step 6: Final answer
    x = 8,987.82

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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.