Home / 36,351.08-50,160.67-20,215.78

Finding the Fourth Proportional to 36,351.08, 50,160.67 and 20,215.78

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Solution

The fourth proportional to 36,351.08, 50,160.67 and 20,215.78 is: 27,895.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,351.08 : 50,160.67 = 20,215.78 : x
  2. Step 2: Convert to fraction form
    36,351.08/50,160.67 = 20,215.78/x
  3. Step 3: Cross multiply
    36,351.08x = 50,160.67 × 20,215.78
  4. Step 4: Simplify right side
    36,351.08x = 1,014,036,717.49
  5. Step 5: Solve for x
    x = 1,014,036,717.49/36,351.08
  6. Step 6: Final answer
    x = 27,895.64

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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.