Home / 33,445.72-50,138.70-12,683.80

Finding the Fourth Proportional to 33,445.72, 50,138.70 and 12,683.80

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Solution

The fourth proportional to 33,445.72, 50,138.70 and 12,683.80 is: 19,014.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,445.72 : 50,138.70 = 12,683.80 : x
  2. Step 2: Convert to fraction form
    33,445.72/50,138.70 = 12,683.80/x
  3. Step 3: Cross multiply
    33,445.72x = 50,138.70 × 12,683.80
  4. Step 4: Simplify right side
    33,445.72x = 635,949,243.06
  5. Step 5: Solve for x
    x = 635,949,243.06/33,445.72
  6. Step 6: Final answer
    x = 19,014.37

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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.