Home / 36,534.16-50,416.32-20,618.20

Finding the Fourth Proportional to 36,534.16, 50,416.32 and 20,618.20

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Solution

The fourth proportional to 36,534.16, 50,416.32 and 20,618.20 is: 28,452.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,534.16 : 50,416.32 = 20,618.20 : x
  2. Step 2: Convert to fraction form
    36,534.16/50,416.32 = 20,618.20/x
  3. Step 3: Cross multiply
    36,534.16x = 50,416.32 × 20,618.20
  4. Step 4: Simplify right side
    36,534.16x = 1,039,493,769.02
  5. Step 5: Solve for x
    x = 1,039,493,769.02/36,534.16
  6. Step 6: Final answer
    x = 28,452.65

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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.