Home / 36,441.60-54,675.36-18,911.04

Finding the Fourth Proportional to 36,441.60, 54,675.36 and 18,911.04

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Solution

The fourth proportional to 36,441.60, 54,675.36 and 18,911.04 is: 28,373.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,441.60 : 54,675.36 = 18,911.04 : x
  2. Step 2: Convert to fraction form
    36,441.60/54,675.36 = 18,911.04/x
  3. Step 3: Cross multiply
    36,441.60x = 54,675.36 × 18,911.04
  4. Step 4: Simplify right side
    36,441.60x = 1,033,967,919.97
  5. Step 5: Solve for x
    x = 1,033,967,919.97/36,441.60
  6. Step 6: Final answer
    x = 28,373.29

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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.