Home / 38,919.05-58,351.90-13,958.56

Finding the Fourth Proportional to 38,919.05, 58,351.90 and 13,958.56

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Solution

The fourth proportional to 38,919.05, 58,351.90 and 13,958.56 is: 20,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919.05 : 58,351.90 = 13,958.56 : x
  2. Step 2: Convert to fraction form
    38,919.05/58,351.90 = 13,958.56/x
  3. Step 3: Cross multiply
    38,919.05x = 58,351.90 × 13,958.56
  4. Step 4: Simplify right side
    38,919.05x = 814,508,497.26
  5. Step 5: Solve for x
    x = 814,508,497.26/38,919.05
  6. Step 6: Final answer
    x = 20,928.27

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1.5x scale

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.