Home / 33,018.66-45,554.67-18,861.48

Finding the Fourth Proportional to 33,018.66, 45,554.67 and 18,861.48

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Solution

The fourth proportional to 33,018.66, 45,554.67 and 18,861.48 is: 26,022.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,018.66 : 45,554.67 = 18,861.48 : x
  2. Step 2: Convert to fraction form
    33,018.66/45,554.67 = 18,861.48/x
  3. Step 3: Cross multiply
    33,018.66x = 45,554.67 × 18,861.48
  4. Step 4: Simplify right side
    33,018.66x = 859,228,497.11
  5. Step 5: Solve for x
    x = 859,228,497.11/33,018.66
  6. Step 6: Final answer
    x = 26,022.51

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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.