Home / 34,619.69-47,775.10-18,704.09

Finding the Fourth Proportional to 34,619.69, 47,775.10 and 18,704.09

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Solution

The fourth proportional to 34,619.69, 47,775.10 and 18,704.09 is: 25,811.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,619.69 : 47,775.10 = 18,704.09 : x
  2. Step 2: Convert to fraction form
    34,619.69/47,775.10 = 18,704.09/x
  3. Step 3: Cross multiply
    34,619.69x = 47,775.10 × 18,704.09
  4. Step 4: Simplify right side
    34,619.69x = 893,589,770.16
  5. Step 5: Solve for x
    x = 893,589,770.16/34,619.69
  6. Step 6: Final answer
    x = 25,811.61

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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.