Home / 38,951.64-58,408.97-20,212.94

Finding the Fourth Proportional to 38,951.64, 58,408.97 and 20,212.94

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Solution

The fourth proportional to 38,951.64, 58,408.97 and 20,212.94 is: 30,309.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,951.64 : 58,408.97 = 20,212.94 : x
  2. Step 2: Convert to fraction form
    38,951.64/58,408.97 = 20,212.94/x
  3. Step 3: Cross multiply
    38,951.64x = 58,408.97 × 20,212.94
  4. Step 4: Simplify right side
    38,951.64x = 1,180,617,051.03
  5. Step 5: Solve for x
    x = 1,180,617,051.03/38,951.64
  6. Step 6: Final answer
    x = 30,309.82

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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.