Home / 50,286.54-75,429.81-12,845.31

Finding the Fourth Proportional to 50,286.54, 75,429.81 and 12,845.31

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Solution

The fourth proportional to 50,286.54, 75,429.81 and 12,845.31 is: 19,267.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,286.54 : 75,429.81 = 12,845.31 : x
  2. Step 2: Convert to fraction form
    50,286.54/75,429.81 = 12,845.31/x
  3. Step 3: Cross multiply
    50,286.54x = 75,429.81 × 12,845.31
  4. Step 4: Simplify right side
    50,286.54x = 968,919,292.69
  5. Step 5: Solve for x
    x = 968,919,292.69/50,286.54
  6. Step 6: Final answer
    x = 19,267.97

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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.