Home / 36,091.58-54,123.87-12,392.39

Finding the Fourth Proportional to 36,091.58, 54,123.87 and 12,392.39

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Solution

The fourth proportional to 36,091.58, 54,123.87 and 12,392.39 is: 18,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,091.58 : 54,123.87 = 12,392.39 : x
  2. Step 2: Convert to fraction form
    36,091.58/54,123.87 = 12,392.39/x
  3. Step 3: Cross multiply
    36,091.58x = 54,123.87 × 12,392.39
  4. Step 4: Simplify right side
    36,091.58x = 670,724,105.35
  5. Step 5: Solve for x
    x = 670,724,105.35/36,091.58
  6. Step 6: Final answer
    x = 18,583.95

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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.