Home / 45,295.26-67,951.05-18,636.54

Finding the Fourth Proportional to 45,295.26, 67,951.05 and 18,636.54

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Solution

The fourth proportional to 45,295.26, 67,951.05 and 18,636.54 is: 27,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,295.26 : 67,951.05 = 18,636.54 : x
  2. Step 2: Convert to fraction form
    45,295.26/67,951.05 = 18,636.54/x
  3. Step 3: Cross multiply
    45,295.26x = 67,951.05 × 18,636.54
  4. Step 4: Simplify right side
    45,295.26x = 1,266,372,461.37
  5. Step 5: Solve for x
    x = 1,266,372,461.37/45,295.26
  6. Step 6: Final answer
    x = 27,958.17

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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.