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Finding the Fourth Proportional to 36,683.40, 55,000.80 and 13,306.80

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Solution

The fourth proportional to 36,683.40, 55,000.80 and 13,306.80 is: 19,951.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,683.40 : 55,000.80 = 13,306.80 : x
  2. Step 2: Convert to fraction form
    36,683.40/55,000.80 = 13,306.80/x
  3. Step 3: Cross multiply
    36,683.40x = 55,000.80 × 13,306.80
  4. Step 4: Simplify right side
    36,683.40x = 731,884,645.44
  5. Step 5: Solve for x
    x = 731,884,645.44/36,683.40
  6. Step 6: Final answer
    x = 19,951.39

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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.