Home / 33,119.61-45,705.36-18,012.41

Finding the Fourth Proportional to 33,119.61, 45,705.36 and 18,012.41

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Solution

The fourth proportional to 33,119.61, 45,705.36 and 18,012.41 is: 24,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,119.61 : 45,705.36 = 18,012.41 : x
  2. Step 2: Convert to fraction form
    33,119.61/45,705.36 = 18,012.41/x
  3. Step 3: Cross multiply
    33,119.61x = 45,705.36 × 18,012.41
  4. Step 4: Simplify right side
    33,119.61x = 823,263,454.99
  5. Step 5: Solve for x
    x = 823,263,454.99/33,119.61
  6. Step 6: Final answer
    x = 24,857.28

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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.