Home / 50,286.75-75,439.85-19,119.57

Finding the Fourth Proportional to 50,286.75, 75,439.85 and 19,119.57

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Solution

The fourth proportional to 50,286.75, 75,439.85 and 19,119.57 is: 28,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,286.75 : 75,439.85 = 19,119.57 : x
  2. Step 2: Convert to fraction form
    50,286.75/75,439.85 = 19,119.57/x
  3. Step 3: Cross multiply
    50,286.75x = 75,439.85 × 19,119.57
  4. Step 4: Simplify right side
    50,286.75x = 1,442,377,397.27
  5. Step 5: Solve for x
    x = 1,442,377,397.27/50,286.75
  6. Step 6: Final answer
    x = 28,683.05

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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.