Home / 39,135.96-58,678.42-25,768.51

Finding the Fourth Proportional to 39,135.96, 58,678.42 and 25,768.51

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Solution

The fourth proportional to 39,135.96, 58,678.42 and 25,768.51 is: 38,635.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,135.96 : 58,678.42 = 25,768.51 : x
  2. Step 2: Convert to fraction form
    39,135.96/58,678.42 = 25,768.51/x
  3. Step 3: Cross multiply
    39,135.96x = 58,678.42 × 25,768.51
  4. Step 4: Simplify right side
    39,135.96x = 1,512,055,452.55
  5. Step 5: Solve for x
    x = 1,512,055,452.55/39,135.96
  6. Step 6: Final answer
    x = 38,635.96

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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.