Home / 36,747.48-55,121.22-11,790.12

Finding the Fourth Proportional to 36,747.48, 55,121.22 and 11,790.12

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Solution

The fourth proportional to 36,747.48, 55,121.22 and 11,790.12 is: 17,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,747.48 : 55,121.22 = 11,790.12 : x
  2. Step 2: Convert to fraction form
    36,747.48/55,121.22 = 11,790.12/x
  3. Step 3: Cross multiply
    36,747.48x = 55,121.22 × 11,790.12
  4. Step 4: Simplify right side
    36,747.48x = 649,885,798.35
  5. Step 5: Solve for x
    x = 649,885,798.35/36,747.48
  6. Step 6: Final answer
    x = 17,685.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.