Home / 39,578.48-54,621.42-22,578.81

Finding the Fourth Proportional to 39,578.48, 54,621.42 and 22,578.81

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Solution

The fourth proportional to 39,578.48, 54,621.42 and 22,578.81 is: 31,160.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,578.48 : 54,621.42 = 22,578.81 : x
  2. Step 2: Convert to fraction form
    39,578.48/54,621.42 = 22,578.81/x
  3. Step 3: Cross multiply
    39,578.48x = 54,621.42 × 22,578.81
  4. Step 4: Simplify right side
    39,578.48x = 1,233,286,664.11
  5. Step 5: Solve for x
    x = 1,233,286,664.11/39,578.48
  6. Step 6: Final answer
    x = 31,160.54

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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.