Home / 33,004.26-45,533.91-21,679.85

Finding the Fourth Proportional to 33,004.26, 45,533.91 and 21,679.85

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Solution

The fourth proportional to 33,004.26, 45,533.91 and 21,679.85 is: 29,910.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,004.26 : 45,533.91 = 21,679.85 : x
  2. Step 2: Convert to fraction form
    33,004.26/45,533.91 = 21,679.85/x
  3. Step 3: Cross multiply
    33,004.26x = 45,533.91 × 21,679.85
  4. Step 4: Simplify right side
    33,004.26x = 987,168,111.04
  5. Step 5: Solve for x
    x = 987,168,111.04/33,004.26
  6. Step 6: Final answer
    x = 29,910.33

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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.