Home / 33,826.80-46,665.28-21,894.09

Finding the Fourth Proportional to 33,826.80, 46,665.28 and 21,894.09

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Solution

The fourth proportional to 33,826.80, 46,665.28 and 21,894.09 is: 30,203.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,826.80 : 46,665.28 = 21,894.09 : x
  2. Step 2: Convert to fraction form
    33,826.80/46,665.28 = 21,894.09/x
  3. Step 3: Cross multiply
    33,826.80x = 46,665.28 × 21,894.09
  4. Step 4: Simplify right side
    33,826.80x = 1,021,693,840.20
  5. Step 5: Solve for x
    x = 1,021,693,840.20/33,826.80
  6. Step 6: Final answer
    x = 30,203.68

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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.