Home / 38,584.62-53,247.78-21,588.30

Finding the Fourth Proportional to 38,584.62, 53,247.78 and 21,588.30

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Solution

The fourth proportional to 38,584.62, 53,247.78 and 21,588.30 is: 29,792.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,584.62 : 53,247.78 = 21,588.30 : x
  2. Step 2: Convert to fraction form
    38,584.62/53,247.78 = 21,588.30/x
  3. Step 3: Cross multiply
    38,584.62x = 53,247.78 × 21,588.30
  4. Step 4: Simplify right side
    38,584.62x = 1,149,529,048.97
  5. Step 5: Solve for x
    x = 1,149,529,048.97/38,584.62
  6. Step 6: Final answer
    x = 29,792.42

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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.