Home / 38,580.62-53,242.26-21,584.30

Finding the Fourth Proportional to 38,580.62, 53,242.26 and 21,584.30

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Solution

The fourth proportional to 38,580.62, 53,242.26 and 21,584.30 is: 29,786.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,580.62 : 53,242.26 = 21,584.30 : x
  2. Step 2: Convert to fraction form
    38,580.62/53,242.26 = 21,584.30/x
  3. Step 3: Cross multiply
    38,580.62x = 53,242.26 × 21,584.30
  4. Step 4: Simplify right side
    38,580.62x = 1,149,196,912.52
  5. Step 5: Solve for x
    x = 1,149,196,912.52/38,580.62
  6. Step 6: Final answer
    x = 29,786.90

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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.