Home / 36,135.28-54,163.38-18,606.16

Finding the Fourth Proportional to 36,135.28, 54,163.38 and 18,606.16

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Solution

The fourth proportional to 36,135.28, 54,163.38 and 18,606.16 is: 27,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,135.28 : 54,163.38 = 18,606.16 : x
  2. Step 2: Convert to fraction form
    36,135.28/54,163.38 = 18,606.16/x
  3. Step 3: Cross multiply
    36,135.28x = 54,163.38 × 18,606.16
  4. Step 4: Simplify right side
    36,135.28x = 1,007,772,514.42
  5. Step 5: Solve for x
    x = 1,007,772,514.42/36,135.28
  6. Step 6: Final answer
    x = 27,888.88

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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.