Home / 33,228.04-45,855.30-18,120.88

Finding the Fourth Proportional to 33,228.04, 45,855.30 and 18,120.88

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Solution

The fourth proportional to 33,228.04, 45,855.30 and 18,120.88 is: 25,007.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,228.04 : 45,855.30 = 18,120.88 : x
  2. Step 2: Convert to fraction form
    33,228.04/45,855.30 = 18,120.88/x
  3. Step 3: Cross multiply
    33,228.04x = 45,855.30 × 18,120.88
  4. Step 4: Simplify right side
    33,228.04x = 830,938,388.66
  5. Step 5: Solve for x
    x = 830,938,388.66/33,228.04
  6. Step 6: Final answer
    x = 25,007.14

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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.