Home / 33,029.73-45,618.89-21,749.66

Finding the Fourth Proportional to 33,029.73, 45,618.89 and 21,749.66

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Solution

The fourth proportional to 33,029.73, 45,618.89 and 21,749.66 is: 30,039.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,029.73 : 45,618.89 = 21,749.66 : x
  2. Step 2: Convert to fraction form
    33,029.73/45,618.89 = 21,749.66/x
  3. Step 3: Cross multiply
    33,029.73x = 45,618.89 × 21,749.66
  4. Step 4: Simplify right side
    33,029.73x = 992,195,010.23
  5. Step 5: Solve for x
    x = 992,195,010.23/33,029.73
  6. Step 6: Final answer
    x = 30,039.45

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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.