Home / 39,745.28-54,848.39-22,749.59

Finding the Fourth Proportional to 39,745.28, 54,848.39 and 22,749.59

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Solution

The fourth proportional to 39,745.28, 54,848.39 and 22,749.59 is: 31,394.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,745.28 : 54,848.39 = 22,749.59 : x
  2. Step 2: Convert to fraction form
    39,745.28/54,848.39 = 22,749.59/x
  3. Step 3: Cross multiply
    39,745.28x = 54,848.39 × 22,749.59
  4. Step 4: Simplify right side
    39,745.28x = 1,247,777,996.67
  5. Step 5: Solve for x
    x = 1,247,777,996.67/39,745.28
  6. Step 6: Final answer
    x = 31,394.37

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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.