Home / 40,768.54-61,172.14-19,696.77

Finding the Fourth Proportional to 40,768.54, 61,172.14 and 19,696.77

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Solution

The fourth proportional to 40,768.54, 61,172.14 and 19,696.77 is: 29,554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,768.54 : 61,172.14 = 19,696.77 : x
  2. Step 2: Convert to fraction form
    40,768.54/61,172.14 = 19,696.77/x
  3. Step 3: Cross multiply
    40,768.54x = 61,172.14 × 19,696.77
  4. Step 4: Simplify right side
    40,768.54x = 1,204,893,504.28
  5. Step 5: Solve for x
    x = 1,204,893,504.28/40,768.54
  6. Step 6: Final answer
    x = 29,554.49

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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.