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Finding the Fourth Proportional to 33,994.81, 50,974.69 and 15,258.78

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Solution

The fourth proportional to 33,994.81, 50,974.69 and 15,258.78 is: 22,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,994.81 : 50,974.69 = 15,258.78 : x
  2. Step 2: Convert to fraction form
    33,994.81/50,974.69 = 15,258.78/x
  3. Step 3: Cross multiply
    33,994.81x = 50,974.69 × 15,258.78
  4. Step 4: Simplify right side
    33,994.81x = 777,811,580.28
  5. Step 5: Solve for x
    x = 777,811,580.28/33,994.81
  6. Step 6: Final answer
    x = 22,880.30

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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.