Home / 36,415.54-50,258.24-20,503.09

Finding the Fourth Proportional to 36,415.54, 50,258.24 and 20,503.09

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Solution

The fourth proportional to 36,415.54, 50,258.24 and 20,503.09 is: 28,296.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,415.54 : 50,258.24 = 20,503.09 : x
  2. Step 2: Convert to fraction form
    36,415.54/50,258.24 = 20,503.09/x
  3. Step 3: Cross multiply
    36,415.54x = 50,258.24 × 20,503.09
  4. Step 4: Simplify right side
    36,415.54x = 1,030,449,217.96
  5. Step 5: Solve for x
    x = 1,030,449,217.96/36,415.54
  6. Step 6: Final answer
    x = 28,296.96

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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.