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Finding the Fourth Proportional to 33,745.50, 50,590.80 and 12,673.80

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Solution

The fourth proportional to 33,745.50, 50,590.80 and 12,673.80 is: 19,000.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,745.50 : 50,590.80 = 12,673.80 : x
  2. Step 2: Convert to fraction form
    33,745.50/50,590.80 = 12,673.80/x
  3. Step 3: Cross multiply
    33,745.50x = 50,590.80 × 12,673.80
  4. Step 4: Simplify right side
    33,745.50x = 641,177,681.04
  5. Step 5: Solve for x
    x = 641,177,681.04/33,745.50
  6. Step 6: Final answer
    x = 19,000.39

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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.