Home / 36,872.40-55,314.16-13,493.28

Finding the Fourth Proportional to 36,872.40, 55,314.16 and 13,493.28

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Solution

The fourth proportional to 36,872.40, 55,314.16 and 13,493.28 is: 20,241.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,872.40 : 55,314.16 = 13,493.28 : x
  2. Step 2: Convert to fraction form
    36,872.40/55,314.16 = 13,493.28/x
  3. Step 3: Cross multiply
    36,872.40x = 55,314.16 × 13,493.28
  4. Step 4: Simplify right side
    36,872.40x = 746,369,448.84
  5. Step 5: Solve for x
    x = 746,369,448.84/36,872.40
  6. Step 6: Final answer
    x = 20,241.95

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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.