Home / 36,868.36-55,308.12-13,489.24

Finding the Fourth Proportional to 36,868.36, 55,308.12 and 13,489.24

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Solution

The fourth proportional to 36,868.36, 55,308.12 and 13,489.24 is: 20,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,868.36 : 55,308.12 = 13,489.24 : x
  2. Step 2: Convert to fraction form
    36,868.36/55,308.12 = 13,489.24/x
  3. Step 3: Cross multiply
    36,868.36x = 55,308.12 × 13,489.24
  4. Step 4: Simplify right side
    36,868.36x = 746,064,504.63
  5. Step 5: Solve for x
    x = 746,064,504.63/36,868.36
  6. Step 6: Final answer
    x = 20,235.90

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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.