Home / 38,738.45-58,138.81-20,023.97

Finding the Fourth Proportional to 38,738.45, 58,138.81 and 20,023.97

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Solution

The fourth proportional to 38,738.45, 58,138.81 and 20,023.97 is: 30,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,738.45 : 58,138.81 = 20,023.97 : x
  2. Step 2: Convert to fraction form
    38,738.45/58,138.81 = 20,023.97/x
  3. Step 3: Cross multiply
    38,738.45x = 58,138.81 × 20,023.97
  4. Step 4: Simplify right side
    38,738.45x = 1,164,169,687.16
  5. Step 5: Solve for x
    x = 1,164,169,687.16/38,738.45
  6. Step 6: Final answer
    x = 30,052.05

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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.