Home / 39,697.62-54,783.33-21,794.25

Finding the Fourth Proportional to 39,697.62, 54,783.33 and 21,794.25

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Solution

The fourth proportional to 39,697.62, 54,783.33 and 21,794.25 is: 30,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,697.62 : 54,783.33 = 21,794.25 : x
  2. Step 2: Convert to fraction form
    39,697.62/54,783.33 = 21,794.25/x
  3. Step 3: Cross multiply
    39,697.62x = 54,783.33 × 21,794.25
  4. Step 4: Simplify right side
    39,697.62x = 1,193,961,589.85
  5. Step 5: Solve for x
    x = 1,193,961,589.85/39,697.62
  6. Step 6: Final answer
    x = 30,076.40

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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.