Home / 36,646.82-50,571.06-20,731.54

Finding the Fourth Proportional to 36,646.82, 50,571.06 and 20,731.54

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Solution

The fourth proportional to 36,646.82, 50,571.06 and 20,731.54 is: 28,608.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,646.82 : 50,571.06 = 20,731.54 : x
  2. Step 2: Convert to fraction form
    36,646.82/50,571.06 = 20,731.54/x
  3. Step 3: Cross multiply
    36,646.82x = 50,571.06 × 20,731.54
  4. Step 4: Simplify right side
    36,646.82x = 1,048,415,953.23
  5. Step 5: Solve for x
    x = 1,048,415,953.23/36,646.82
  6. Step 6: Final answer
    x = 28,608.65

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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.