Home / 39,154.58-54,046.16-23,021.11

Finding the Fourth Proportional to 39,154.58, 54,046.16 and 23,021.11

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Solution

The fourth proportional to 39,154.58, 54,046.16 and 23,021.11 is: 31,776.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,154.58 : 54,046.16 = 23,021.11 : x
  2. Step 2: Convert to fraction form
    39,154.58/54,046.16 = 23,021.11/x
  3. Step 3: Cross multiply
    39,154.58x = 54,046.16 × 23,021.11
  4. Step 4: Simplify right side
    39,154.58x = 1,244,202,594.44
  5. Step 5: Solve for x
    x = 1,244,202,594.44/39,154.58
  6. Step 6: Final answer
    x = 31,776.68

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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.