Home / 39,768.25-54,879.01-22,771.93

Finding the Fourth Proportional to 39,768.25, 54,879.01 and 22,771.93

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Solution

The fourth proportional to 39,768.25, 54,879.01 and 22,771.93 is: 31,424.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,768.25 : 54,879.01 = 22,771.93 : x
  2. Step 2: Convert to fraction form
    39,768.25/54,879.01 = 22,771.93/x
  3. Step 3: Cross multiply
    39,768.25x = 54,879.01 × 22,771.93
  4. Step 4: Simplify right side
    39,768.25x = 1,249,700,974.19
  5. Step 5: Solve for x
    x = 1,249,700,974.19/39,768.25
  6. Step 6: Final answer
    x = 31,424.59

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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.