Home / 36,408.80-50,246.52-20,491.76

Finding the Fourth Proportional to 36,408.80, 50,246.52 and 20,491.76

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Solution

The fourth proportional to 36,408.80, 50,246.52 and 20,491.76 is: 28,279.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,408.80 : 50,246.52 = 20,491.76 : x
  2. Step 2: Convert to fraction form
    36,408.80/50,246.52 = 20,491.76/x
  3. Step 3: Cross multiply
    36,408.80x = 50,246.52 × 20,491.76
  4. Step 4: Simplify right side
    36,408.80x = 1,029,639,628.68
  5. Step 5: Solve for x
    x = 1,029,639,628.68/36,408.80
  6. Step 6: Final answer
    x = 28,279.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.