Home / 20,110.70-30,169.97-6,071.86

Finding the Fourth Proportional to 20,110.70, 30,169.97 and 6,071.86

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Solution

The fourth proportional to 20,110.70, 30,169.97 and 6,071.86 is: 9,108.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110.70 : 30,169.97 = 6,071.86 : x
  2. Step 2: Convert to fraction form
    20,110.70/30,169.97 = 6,071.86/x
  3. Step 3: Cross multiply
    20,110.70x = 30,169.97 × 6,071.86
  4. Step 4: Simplify right side
    20,110.70x = 183,187,834.04
  5. Step 5: Solve for x
    x = 183,187,834.04/20,110.70
  6. Step 6: Final answer
    x = 9,108.97

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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.