Home / 36,078.69-54,123.42-11,116.65

Finding the Fourth Proportional to 36,078.69, 54,123.42 and 11,116.65

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Solution

The fourth proportional to 36,078.69, 54,123.42 and 11,116.65 is: 16,676.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,078.69 : 54,123.42 = 11,116.65 : x
  2. Step 2: Convert to fraction form
    36,078.69/54,123.42 = 11,116.65/x
  3. Step 3: Cross multiply
    36,078.69x = 54,123.42 × 11,116.65
  4. Step 4: Simplify right side
    36,078.69x = 601,671,116.94
  5. Step 5: Solve for x
    x = 601,671,116.94/36,078.69
  6. Step 6: Final answer
    x = 16,676.63

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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.