Home / 39,578.49-54,616.28-21,673.44

Finding the Fourth Proportional to 39,578.49, 54,616.28 and 21,673.44

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Solution

The fourth proportional to 39,578.49, 54,616.28 and 21,673.44 is: 29,908.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,578.49 : 54,616.28 = 21,673.44 : x
  2. Step 2: Convert to fraction form
    39,578.49/54,616.28 = 21,673.44/x
  3. Step 3: Cross multiply
    39,578.49x = 54,616.28 × 21,673.44
  4. Step 4: Simplify right side
    39,578.49x = 1,183,722,559.24
  5. Step 5: Solve for x
    x = 1,183,722,559.24/39,578.49
  6. Step 6: Final answer
    x = 29,908.23

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1.5x scale

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.