Home / 33,311.22-45,946.94-21,389.03

Finding the Fourth Proportional to 33,311.22, 45,946.94 and 21,389.03

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Solution

The fourth proportional to 33,311.22, 45,946.94 and 21,389.03 is: 29,502.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,311.22 : 45,946.94 = 21,389.03 : x
  2. Step 2: Convert to fraction form
    33,311.22/45,946.94 = 21,389.03/x
  3. Step 3: Cross multiply
    33,311.22x = 45,946.94 × 21,389.03
  4. Step 4: Simplify right side
    33,311.22x = 982,760,141.39
  5. Step 5: Solve for x
    x = 982,760,141.39/33,311.22
  6. Step 6: Final answer
    x = 29,502.38

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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.