Home / 36,899.72-50,922.20-20,984.64

Finding the Fourth Proportional to 36,899.72, 50,922.20 and 20,984.64

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Solution

The fourth proportional to 36,899.72, 50,922.20 and 20,984.64 is: 28,959.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,899.72 : 50,922.20 = 20,984.64 : x
  2. Step 2: Convert to fraction form
    36,899.72/50,922.20 = 20,984.64/x
  3. Step 3: Cross multiply
    36,899.72x = 50,922.20 × 20,984.64
  4. Step 4: Simplify right side
    36,899.72x = 1,068,584,035.01
  5. Step 5: Solve for x
    x = 1,068,584,035.01/36,899.72
  6. Step 6: Final answer
    x = 28,959.14

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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.