Home / 33,220.75-45,844.64-18,316.75

Finding the Fourth Proportional to 33,220.75, 45,844.64 and 18,316.75

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Solution

The fourth proportional to 33,220.75, 45,844.64 and 18,316.75 is: 25,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220.75 : 45,844.64 = 18,316.75 : x
  2. Step 2: Convert to fraction form
    33,220.75/45,844.64 = 18,316.75/x
  3. Step 3: Cross multiply
    33,220.75x = 45,844.64 × 18,316.75
  4. Step 4: Simplify right side
    33,220.75x = 839,724,809.72
  5. Step 5: Solve for x
    x = 839,724,809.72/33,220.75
  6. Step 6: Final answer
    x = 25,277.12

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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.