Home / 36,785.64-50,771.21-21,678.94

Finding the Fourth Proportional to 36,785.64, 50,771.21 and 21,678.94

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Solution

The fourth proportional to 36,785.64, 50,771.21 and 21,678.94 is: 29,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,785.64 : 50,771.21 = 21,678.94 : x
  2. Step 2: Convert to fraction form
    36,785.64/50,771.21 = 21,678.94/x
  3. Step 3: Cross multiply
    36,785.64x = 50,771.21 × 21,678.94
  4. Step 4: Simplify right side
    36,785.64x = 1,100,665,970.39
  5. Step 5: Solve for x
    x = 1,100,665,970.39/36,785.64
  6. Step 6: Final answer
    x = 29,921.07

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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.