Home / 32,735.78-49,083.57-12,721.90

Finding the Fourth Proportional to 32,735.78, 49,083.57 and 12,721.90

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Solution

The fourth proportional to 32,735.78, 49,083.57 and 12,721.90 is: 19,075.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,735.78 : 49,083.57 = 12,721.90 : x
  2. Step 2: Convert to fraction form
    32,735.78/49,083.57 = 12,721.90/x
  3. Step 3: Cross multiply
    32,735.78x = 49,083.57 × 12,721.90
  4. Step 4: Simplify right side
    32,735.78x = 624,436,330.54
  5. Step 5: Solve for x
    x = 624,436,330.54/32,735.78
  6. Step 6: Final answer
    x = 19,075.04

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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.