Home / 36,997.60-51,056.96-20,865.12

Finding the Fourth Proportional to 36,997.60, 51,056.96 and 20,865.12

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Solution

The fourth proportional to 36,997.60, 51,056.96 and 20,865.12 is: 28,794.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,997.60 : 51,056.96 = 20,865.12 : x
  2. Step 2: Convert to fraction form
    36,997.60/51,056.96 = 20,865.12/x
  3. Step 3: Cross multiply
    36,997.60x = 51,056.96 × 20,865.12
  4. Step 4: Simplify right side
    36,997.60x = 1,065,309,597.24
  5. Step 5: Solve for x
    x = 1,065,309,597.24/36,997.60
  6. Step 6: Final answer
    x = 28,794.02

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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.