Home / 33,029.99-45,619.24-21,749.91

Finding the Fourth Proportional to 33,029.99, 45,619.24 and 21,749.91

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Solution

The fourth proportional to 33,029.99, 45,619.24 and 21,749.91 is: 30,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,029.99 : 45,619.24 = 21,749.91 : x
  2. Step 2: Convert to fraction form
    33,029.99/45,619.24 = 21,749.91/x
  3. Step 3: Cross multiply
    33,029.99x = 45,619.24 × 21,749.91
  4. Step 4: Simplify right side
    33,029.99x = 992,214,364.27
  5. Step 5: Solve for x
    x = 992,214,364.27/33,029.99
  6. Step 6: Final answer
    x = 30,039.80

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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.