Home / 36,765.88-50,735.06-20,851.81

Finding the Fourth Proportional to 36,765.88, 50,735.06 and 20,851.81

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Solution

The fourth proportional to 36,765.88, 50,735.06 and 20,851.81 is: 28,774.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,765.88 : 50,735.06 = 20,851.81 : x
  2. Step 2: Convert to fraction form
    36,765.88/50,735.06 = 20,851.81/x
  3. Step 3: Cross multiply
    36,765.88x = 50,735.06 × 20,851.81
  4. Step 4: Simplify right side
    36,765.88x = 1,057,917,678.56
  5. Step 5: Solve for x
    x = 1,057,917,678.56/36,765.88
  6. Step 6: Final answer
    x = 28,774.44

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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.