Home / 50,172.46-75,258.35-12,221.28

Finding the Fourth Proportional to 50,172.46, 75,258.35 and 12,221.28

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Solution

The fourth proportional to 50,172.46, 75,258.35 and 12,221.28 is: 18,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,172.46 : 75,258.35 = 12,221.28 : x
  2. Step 2: Convert to fraction form
    50,172.46/75,258.35 = 12,221.28/x
  3. Step 3: Cross multiply
    50,172.46x = 75,258.35 × 12,221.28
  4. Step 4: Simplify right side
    50,172.46x = 919,753,047.28
  5. Step 5: Solve for x
    x = 919,753,047.28/50,172.46
  6. Step 6: Final answer
    x = 18,331.83

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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.