Home / 36,274.40-50,063.55-20,359.72

Finding the Fourth Proportional to 36,274.40, 50,063.55 and 20,359.72

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Solution

The fourth proportional to 36,274.40, 50,063.55 and 20,359.72 is: 28,099.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,274.40 : 50,063.55 = 20,359.72 : x
  2. Step 2: Convert to fraction form
    36,274.40/50,063.55 = 20,359.72/x
  3. Step 3: Cross multiply
    36,274.40x = 50,063.55 × 20,359.72
  4. Step 4: Simplify right side
    36,274.40x = 1,019,279,860.21
  5. Step 5: Solve for x
    x = 1,019,279,860.21/36,274.40
  6. Step 6: Final answer
    x = 28,099.15

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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.