Home / 39,205.64-54,102.04-22,209.55

Finding the Fourth Proportional to 39,205.64, 54,102.04 and 22,209.55

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Solution

The fourth proportional to 39,205.64, 54,102.04 and 22,209.55 is: 30,648.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,205.64 : 54,102.04 = 22,209.55 : x
  2. Step 2: Convert to fraction form
    39,205.64/54,102.04 = 22,209.55/x
  3. Step 3: Cross multiply
    39,205.64x = 54,102.04 × 22,209.55
  4. Step 4: Simplify right side
    39,205.64x = 1,201,581,771.70
  5. Step 5: Solve for x
    x = 1,201,581,771.70/39,205.64
  6. Step 6: Final answer
    x = 30,648.18

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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.