Home / 36,699.36-50,648.24-20,786.64

Finding the Fourth Proportional to 36,699.36, 50,648.24 and 20,786.64

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Solution

The fourth proportional to 36,699.36, 50,648.24 and 20,786.64 is: 28,687.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699.36 : 50,648.24 = 20,786.64 : x
  2. Step 2: Convert to fraction form
    36,699.36/50,648.24 = 20,786.64/x
  3. Step 3: Cross multiply
    36,699.36x = 50,648.24 × 20,786.64
  4. Step 4: Simplify right side
    36,699.36x = 1,052,806,731.51
  5. Step 5: Solve for x
    x = 1,052,806,731.51/36,699.36
  6. Step 6: Final answer
    x = 28,687.33

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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.