Home / 33,120.16-45,705.39-18,012.50

Finding the Fourth Proportional to 33,120.16, 45,705.39 and 18,012.50

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Solution

The fourth proportional to 33,120.16, 45,705.39 and 18,012.50 is: 24,857.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,120.16 : 45,705.39 = 18,012.50 : x
  2. Step 2: Convert to fraction form
    33,120.16/45,705.39 = 18,012.50/x
  3. Step 3: Cross multiply
    33,120.16x = 45,705.39 × 18,012.50
  4. Step 4: Simplify right side
    33,120.16x = 823,268,212.70
  5. Step 5: Solve for x
    x = 823,268,212.70/33,120.16
  6. Step 6: Final answer
    x = 24,857.01

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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.