Home / 34,072.62-47,020.75-18,965.45

Finding the Fourth Proportional to 34,072.62, 47,020.75 and 18,965.45

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Solution

The fourth proportional to 34,072.62, 47,020.75 and 18,965.45 is: 26,172.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,072.62 : 47,020.75 = 18,965.45 : x
  2. Step 2: Convert to fraction form
    34,072.62/47,020.75 = 18,965.45/x
  3. Step 3: Cross multiply
    34,072.62x = 47,020.75 × 18,965.45
  4. Step 4: Simplify right side
    34,072.62x = 891,769,400.57
  5. Step 5: Solve for x
    x = 891,769,400.57/34,072.62
  6. Step 6: Final answer
    x = 26,172.61

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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.