Home / 50,251.62-75,377.16-12,811.53

Finding the Fourth Proportional to 50,251.62, 75,377.16 and 12,811.53

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Solution

The fourth proportional to 50,251.62, 75,377.16 and 12,811.53 is: 19,217.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,251.62 : 75,377.16 = 12,811.53 : x
  2. Step 2: Convert to fraction form
    50,251.62/75,377.16 = 12,811.53/x
  3. Step 3: Cross multiply
    50,251.62x = 75,377.16 × 12,811.53
  4. Step 4: Simplify right side
    50,251.62x = 965,696,746.65
  5. Step 5: Solve for x
    x = 965,696,746.65/50,251.62
  6. Step 6: Final answer
    x = 19,217.23

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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.