Home / 33,119.92-45,705.68-18,012.76

Finding the Fourth Proportional to 33,119.92, 45,705.68 and 18,012.76

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Solution

The fourth proportional to 33,119.92, 45,705.68 and 18,012.76 is: 24,857.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,119.92 : 45,705.68 = 18,012.76 : x
  2. Step 2: Convert to fraction form
    33,119.92/45,705.68 = 18,012.76/x
  3. Step 3: Cross multiply
    33,119.92x = 45,705.68 × 18,012.76
  4. Step 4: Simplify right side
    33,119.92x = 823,285,444.48
  5. Step 5: Solve for x
    x = 823,285,444.48/33,119.92
  6. Step 6: Final answer
    x = 24,857.71

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Half scale
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Double scale
Find fourth proportional to 33,120.92, 45,707.06 and 18,013.76
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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.