Home / 36,792.78-55,172.80-10,491.37

Finding the Fourth Proportional to 36,792.78, 55,172.80 and 10,491.37

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Solution

The fourth proportional to 36,792.78, 55,172.80 and 10,491.37 is: 15,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,792.78 : 55,172.80 = 10,491.37 : x
  2. Step 2: Convert to fraction form
    36,792.78/55,172.80 = 10,491.37/x
  3. Step 3: Cross multiply
    36,792.78x = 55,172.80 × 10,491.37
  4. Step 4: Simplify right side
    36,792.78x = 578,838,385.25
  5. Step 5: Solve for x
    x = 578,838,385.25/36,792.78
  6. Step 6: Final answer
    x = 15,732.39

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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.