Home / 20,241.26-30,319.22-12,841.82

Finding the Fourth Proportional to 20,241.26, 30,319.22 and 12,841.82

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Solution

The fourth proportional to 20,241.26, 30,319.22 and 12,841.82 is: 19,235.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241.26 : 30,319.22 = 12,841.82 : x
  2. Step 2: Convert to fraction form
    20,241.26/30,319.22 = 12,841.82/x
  3. Step 3: Cross multiply
    20,241.26x = 30,319.22 × 12,841.82
  4. Step 4: Simplify right side
    20,241.26x = 389,353,846.29
  5. Step 5: Solve for x
    x = 389,353,846.29/20,241.26
  6. Step 6: Final answer
    x = 19,235.66

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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.