Home / 33,418.56-46,121.68-19,989.68

Finding the Fourth Proportional to 33,418.56, 46,121.68 and 19,989.68

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Solution

The fourth proportional to 33,418.56, 46,121.68 and 19,989.68 is: 27,588.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,418.56 : 46,121.68 = 19,989.68 : x
  2. Step 2: Convert to fraction form
    33,418.56/46,121.68 = 19,989.68/x
  3. Step 3: Cross multiply
    33,418.56x = 46,121.68 × 19,989.68
  4. Step 4: Simplify right side
    33,418.56x = 921,957,624.26
  5. Step 5: Solve for x
    x = 921,957,624.26/33,418.56
  6. Step 6: Final answer
    x = 27,588.19

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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.