Home / 50,286.50-75,439.46-19,119.32

Finding the Fourth Proportional to 50,286.50, 75,439.46 and 19,119.32

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Solution

The fourth proportional to 50,286.50, 75,439.46 and 19,119.32 is: 28,682.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,286.50 : 75,439.46 = 19,119.32 : x
  2. Step 2: Convert to fraction form
    50,286.50/75,439.46 = 19,119.32/x
  3. Step 3: Cross multiply
    50,286.50x = 75,439.46 × 19,119.32
  4. Step 4: Simplify right side
    50,286.50x = 1,442,351,176.37
  5. Step 5: Solve for x
    x = 1,442,351,176.37/50,286.50
  6. Step 6: Final answer
    x = 28,682.67

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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.