Home / 36,318.66-50,114.30-20,400.06

Finding the Fourth Proportional to 36,318.66, 50,114.30 and 20,400.06

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Solution

The fourth proportional to 36,318.66, 50,114.30 and 20,400.06 is: 28,149.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,318.66 : 50,114.30 = 20,400.06 : x
  2. Step 2: Convert to fraction form
    36,318.66/50,114.30 = 20,400.06/x
  3. Step 3: Cross multiply
    36,318.66x = 50,114.30 × 20,400.06
  4. Step 4: Simplify right side
    36,318.66x = 1,022,334,624.86
  5. Step 5: Solve for x
    x = 1,022,334,624.86/36,318.66
  6. Step 6: Final answer
    x = 28,149.02

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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.