Home / 39,906.39-59,859.60-12,204.39

Finding the Fourth Proportional to 39,906.39, 59,859.60 and 12,204.39

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Solution

The fourth proportional to 39,906.39, 59,859.60 and 12,204.39 is: 18,306.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,906.39 : 59,859.60 = 12,204.39 : x
  2. Step 2: Convert to fraction form
    39,906.39/59,859.60 = 12,204.39/x
  3. Step 3: Cross multiply
    39,906.39x = 59,859.60 × 12,204.39
  4. Step 4: Simplify right side
    39,906.39x = 730,549,903.64
  5. Step 5: Solve for x
    x = 730,549,903.64/39,906.39
  6. Step 6: Final answer
    x = 18,306.59

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.