Home / 39,174.82-58,749.76-12,873.49

Finding the Fourth Proportional to 39,174.82, 58,749.76 and 12,873.49

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Solution

The fourth proportional to 39,174.82, 58,749.76 and 12,873.49 is: 19,306.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,174.82 : 58,749.76 = 12,873.49 : x
  2. Step 2: Convert to fraction form
    39,174.82/58,749.76 = 12,873.49/x
  3. Step 3: Cross multiply
    39,174.82x = 58,749.76 × 12,873.49
  4. Step 4: Simplify right side
    39,174.82x = 756,314,447.86
  5. Step 5: Solve for x
    x = 756,314,447.86/39,174.82
  6. Step 6: Final answer
    x = 19,306.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.