Home / 36,784.40-55,199.40-19,266.80

Finding the Fourth Proportional to 36,784.40, 55,199.40 and 19,266.80

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Solution

The fourth proportional to 36,784.40, 55,199.40 and 19,266.80 is: 28,912.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,784.40 : 55,199.40 = 19,266.80 : x
  2. Step 2: Convert to fraction form
    36,784.40/55,199.40 = 19,266.80/x
  3. Step 3: Cross multiply
    36,784.40x = 55,199.40 × 19,266.80
  4. Step 4: Simplify right side
    36,784.40x = 1,063,515,799.92
  5. Step 5: Solve for x
    x = 1,063,515,799.92/36,784.40
  6. Step 6: Final answer
    x = 28,912.14

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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.