Home / 39,209.64-54,107.56-22,213.55

Finding the Fourth Proportional to 39,209.64, 54,107.56 and 22,213.55

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Solution

The fourth proportional to 39,209.64, 54,107.56 and 22,213.55 is: 30,653.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,209.64 : 54,107.56 = 22,213.55 : x
  2. Step 2: Convert to fraction form
    39,209.64/54,107.56 = 22,213.55/x
  3. Step 3: Cross multiply
    39,209.64x = 54,107.56 × 22,213.55
  4. Step 4: Simplify right side
    39,209.64x = 1,201,920,989.44
  5. Step 5: Solve for x
    x = 1,201,920,989.44/39,209.64
  6. Step 6: Final answer
    x = 30,653.71

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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.