Home / 33,119.84-45,705.28-18,012.48

Finding the Fourth Proportional to 33,119.84, 45,705.28 and 18,012.48

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Solution

The fourth proportional to 33,119.84, 45,705.28 and 18,012.48 is: 24,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,119.84 : 45,705.28 = 18,012.48 : x
  2. Step 2: Convert to fraction form
    33,119.84/45,705.28 = 18,012.48/x
  3. Step 3: Cross multiply
    33,119.84x = 45,705.28 × 18,012.48
  4. Step 4: Simplify right side
    33,119.84x = 823,265,441.89
  5. Step 5: Solve for x
    x = 823,265,441.89/33,119.84
  6. Step 6: Final answer
    x = 24,857.17

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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.