Home / 36,660.42-50,588.01-20,742.30

Finding the Fourth Proportional to 36,660.42, 50,588.01 and 20,742.30

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Solution

The fourth proportional to 36,660.42, 50,588.01 and 20,742.30 is: 28,622.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,660.42 : 50,588.01 = 20,742.30 : x
  2. Step 2: Convert to fraction form
    36,660.42/50,588.01 = 20,742.30/x
  3. Step 3: Cross multiply
    36,660.42x = 50,588.01 × 20,742.30
  4. Step 4: Simplify right side
    36,660.42x = 1,049,311,679.82
  5. Step 5: Solve for x
    x = 1,049,311,679.82/36,660.42
  6. Step 6: Final answer
    x = 28,622.47

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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.