Home / 44,464.60-66,640.20-18,139.60

Finding the Fourth Proportional to 44,464.60, 66,640.20 and 18,139.60

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Solution

The fourth proportional to 44,464.60, 66,640.20 and 18,139.60 is: 27,186.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,464.60 : 66,640.20 = 18,139.60 : x
  2. Step 2: Convert to fraction form
    44,464.60/66,640.20 = 18,139.60/x
  3. Step 3: Cross multiply
    44,464.60x = 66,640.20 × 18,139.60
  4. Step 4: Simplify right side
    44,464.60x = 1,208,826,571.92
  5. Step 5: Solve for x
    x = 1,208,826,571.92/44,464.60
  6. Step 6: Final answer
    x = 27,186.27

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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.