Home / 39,578.84-54,617.16-21,673.54

Finding the Fourth Proportional to 39,578.84, 54,617.16 and 21,673.54

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Solution

The fourth proportional to 39,578.84, 54,617.16 and 21,673.54 is: 29,908.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,578.84 : 54,617.16 = 21,673.54 : x
  2. Step 2: Convert to fraction form
    39,578.84/54,617.16 = 21,673.54/x
  3. Step 3: Cross multiply
    39,578.84x = 54,617.16 × 21,673.54
  4. Step 4: Simplify right side
    39,578.84x = 1,183,746,942.95
  5. Step 5: Solve for x
    x = 1,183,746,942.95/39,578.84
  6. Step 6: Final answer
    x = 29,908.58

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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.