Home / 34,881.15-48,135.42-18,966

Finding the Fourth Proportional to 34,881.15, 48,135.42 and 18,966

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Solution

The fourth proportional to 34,881.15, 48,135.42 and 18,966 is: 26,172.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,881.15 : 48,135.42 = 18,966 : x
  2. Step 2: Convert to fraction form
    34,881.15/48,135.42 = 18,966/x
  3. Step 3: Cross multiply
    34,881.15x = 48,135.42 × 18,966
  4. Step 4: Simplify right side
    34,881.15x = 912,936,375.72
  5. Step 5: Solve for x
    x = 912,936,375.72/34,881.15
  6. Step 6: Final answer
    x = 26,172.77

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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.