Home / 33,999.30-46,904.49-21,243.79

Finding the Fourth Proportional to 33,999.30, 46,904.49 and 21,243.79

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Solution

The fourth proportional to 33,999.30, 46,904.49 and 21,243.79 is: 29,307.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,999.30 : 46,904.49 = 21,243.79 : x
  2. Step 2: Convert to fraction form
    33,999.30/46,904.49 = 21,243.79/x
  3. Step 3: Cross multiply
    33,999.30x = 46,904.49 × 21,243.79
  4. Step 4: Simplify right side
    33,999.30x = 996,429,135.62
  5. Step 5: Solve for x
    x = 996,429,135.62/33,999.30
  6. Step 6: Final answer
    x = 29,307.34

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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.