Home / 36,357.92-50,172.18-20,443.88

Finding the Fourth Proportional to 36,357.92, 50,172.18 and 20,443.88

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Solution

The fourth proportional to 36,357.92, 50,172.18 and 20,443.88 is: 28,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,357.92 : 50,172.18 = 20,443.88 : x
  2. Step 2: Convert to fraction form
    36,357.92/50,172.18 = 20,443.88/x
  3. Step 3: Cross multiply
    36,357.92x = 50,172.18 × 20,443.88
  4. Step 4: Simplify right side
    36,357.92x = 1,025,714,027.26
  5. Step 5: Solve for x
    x = 1,025,714,027.26/36,357.92
  6. Step 6: Final answer
    x = 28,211.57

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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.