Home / 20,031.30-30,051.87-6,883.86

Finding the Fourth Proportional to 20,031.30, 30,051.87 and 6,883.86

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Solution

The fourth proportional to 20,031.30, 30,051.87 and 6,883.86 is: 10,327.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031.30 : 30,051.87 = 6,883.86 : x
  2. Step 2: Convert to fraction form
    20,031.30/30,051.87 = 6,883.86/x
  3. Step 3: Cross multiply
    20,031.30x = 30,051.87 × 6,883.86
  4. Step 4: Simplify right side
    20,031.30x = 206,872,865.82
  5. Step 5: Solve for x
    x = 206,872,865.82/20,031.30
  6. Step 6: Final answer
    x = 10,327.48

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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.