Home / 36,845.64-50,847.12-20,078.64

Finding the Fourth Proportional to 36,845.64, 50,847.12 and 20,078.64

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Solution

The fourth proportional to 36,845.64, 50,847.12 and 20,078.64 is: 27,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,845.64 : 50,847.12 = 20,078.64 : x
  2. Step 2: Convert to fraction form
    36,845.64/50,847.12 = 20,078.64/x
  3. Step 3: Cross multiply
    36,845.64x = 50,847.12 × 20,078.64
  4. Step 4: Simplify right side
    36,845.64x = 1,020,941,017.52
  5. Step 5: Solve for x
    x = 1,020,941,017.52/36,845.64
  6. Step 6: Final answer
    x = 27,708.60

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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.