Home / 33,217.25-45,839.81-18,313.25

Finding the Fourth Proportional to 33,217.25, 45,839.81 and 18,313.25

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Solution

The fourth proportional to 33,217.25, 45,839.81 and 18,313.25 is: 25,272.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,217.25 : 45,839.81 = 18,313.25 : x
  2. Step 2: Convert to fraction form
    33,217.25/45,839.81 = 18,313.25/x
  3. Step 3: Cross multiply
    33,217.25x = 45,839.81 × 18,313.25
  4. Step 4: Simplify right side
    33,217.25x = 839,475,808.92
  5. Step 5: Solve for x
    x = 839,475,808.92/33,217.25
  6. Step 6: Final answer
    x = 25,272.29

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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.