Home / 30,355-41,916.33-19,043.94

Finding the Fourth Proportional to 30,355, 41,916.33 and 19,043.94

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Solution

The fourth proportional to 30,355, 41,916.33 and 19,043.94 is: 26,297.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,355 : 41,916.33 = 19,043.94 : x
  2. Step 2: Convert to fraction form
    30,355/41,916.33 = 19,043.94/x
  3. Step 3: Cross multiply
    30,355x = 41,916.33 × 19,043.94
  4. Step 4: Simplify right side
    30,355x = 798,252,073.54
  5. Step 5: Solve for x
    x = 798,252,073.54/30,355
  6. Step 6: Final answer
    x = 26,297.22

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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.