Home / 33,399.36-46,121.76-21,490.56

Finding the Fourth Proportional to 33,399.36, 46,121.76 and 21,490.56

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Solution

The fourth proportional to 33,399.36, 46,121.76 and 21,490.56 is: 29,676.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,399.36 : 46,121.76 = 21,490.56 : x
  2. Step 2: Convert to fraction form
    33,399.36/46,121.76 = 21,490.56/x
  3. Step 3: Cross multiply
    33,399.36x = 46,121.76 × 21,490.56
  4. Step 4: Simplify right side
    33,399.36x = 991,182,450.59
  5. Step 5: Solve for x
    x = 991,182,450.59/33,399.36
  6. Step 6: Final answer
    x = 29,676.69

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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.