Home / 30,371.68-41,898.63-19,757.44

Finding the Fourth Proportional to 30,371.68, 41,898.63 and 19,757.44

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Solution

The fourth proportional to 30,371.68, 41,898.63 and 19,757.44 is: 27,255.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,371.68 : 41,898.63 = 19,757.44 : x
  2. Step 2: Convert to fraction form
    30,371.68/41,898.63 = 19,757.44/x
  3. Step 3: Cross multiply
    30,371.68x = 41,898.63 × 19,757.44
  4. Step 4: Simplify right side
    30,371.68x = 827,809,668.31
  5. Step 5: Solve for x
    x = 827,809,668.31/30,371.68
  6. Step 6: Final answer
    x = 27,255.97

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1.5x scale

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.