Home / 34,110.86-51,170.90-11,919.02

Finding the Fourth Proportional to 34,110.86, 51,170.90 and 11,919.02

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Solution

The fourth proportional to 34,110.86, 51,170.90 and 11,919.02 is: 17,880.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,110.86 : 51,170.90 = 11,919.02 : x
  2. Step 2: Convert to fraction form
    34,110.86/51,170.90 = 11,919.02/x
  3. Step 3: Cross multiply
    34,110.86x = 51,170.90 × 11,919.02
  4. Step 4: Simplify right side
    34,110.86x = 609,906,665.07
  5. Step 5: Solve for x
    x = 609,906,665.07/34,110.86
  6. Step 6: Final answer
    x = 17,880.13

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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.