Home / 28,942.53-43,384.21-19,583.54

Finding the Fourth Proportional to 28,942.53, 43,384.21 and 19,583.54

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Solution

The fourth proportional to 28,942.53, 43,384.21 and 19,583.54 is: 29,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,942.53 : 43,384.21 = 19,583.54 : x
  2. Step 2: Convert to fraction form
    28,942.53/43,384.21 = 19,583.54/x
  3. Step 3: Cross multiply
    28,942.53x = 43,384.21 × 19,583.54
  4. Step 4: Simplify right side
    28,942.53x = 849,616,146.02
  5. Step 5: Solve for x
    x = 849,616,146.02/28,942.53
  6. Step 6: Final answer
    x = 29,355.28

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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.