Home / 36,427.54-50,274.84-20,515.12

Finding the Fourth Proportional to 36,427.54, 50,274.84 and 20,515.12

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Solution

The fourth proportional to 36,427.54, 50,274.84 and 20,515.12 is: 28,313.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,427.54 : 50,274.84 = 20,515.12 : x
  2. Step 2: Convert to fraction form
    36,427.54/50,274.84 = 20,515.12/x
  3. Step 3: Cross multiply
    36,427.54x = 50,274.84 × 20,515.12
  4. Step 4: Simplify right side
    36,427.54x = 1,031,394,375.58
  5. Step 5: Solve for x
    x = 1,031,394,375.58/36,427.54
  6. Step 6: Final answer
    x = 28,313.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.