Home / 34,835.22-48,072.42-18,919.80

Finding the Fourth Proportional to 34,835.22, 48,072.42 and 18,919.80

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Solution

The fourth proportional to 34,835.22, 48,072.42 and 18,919.80 is: 26,109.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,835.22 : 48,072.42 = 18,919.80 : x
  2. Step 2: Convert to fraction form
    34,835.22/48,072.42 = 18,919.80/x
  3. Step 3: Cross multiply
    34,835.22x = 48,072.42 × 18,919.80
  4. Step 4: Simplify right side
    34,835.22x = 909,520,571.92
  5. Step 5: Solve for x
    x = 909,520,571.92/34,835.22
  6. Step 6: Final answer
    x = 26,109.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.