Home / 36,990.62-51,047.26-20,223.62

Finding the Fourth Proportional to 36,990.62, 51,047.26 and 20,223.62

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Solution

The fourth proportional to 36,990.62, 51,047.26 and 20,223.62 is: 27,908.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,990.62 : 51,047.26 = 20,223.62 : x
  2. Step 2: Convert to fraction form
    36,990.62/51,047.26 = 20,223.62/x
  3. Step 3: Cross multiply
    36,990.62x = 51,047.26 × 20,223.62
  4. Step 4: Simplify right side
    36,990.62x = 1,032,360,388.28
  5. Step 5: Solve for x
    x = 1,032,360,388.28/36,990.62
  6. Step 6: Final answer
    x = 27,908.71

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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.