Home / 30,219.60-41,705.04-18,283.44

Finding the Fourth Proportional to 30,219.60, 41,705.04 and 18,283.44

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Solution

The fourth proportional to 30,219.60, 41,705.04 and 18,283.44 is: 25,232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,219.60 : 41,705.04 = 18,283.44 : x
  2. Step 2: Convert to fraction form
    30,219.60/41,705.04 = 18,283.44/x
  3. Step 3: Cross multiply
    30,219.60x = 41,705.04 × 18,283.44
  4. Step 4: Simplify right side
    30,219.60x = 762,511,596.54
  5. Step 5: Solve for x
    x = 762,511,596.54/30,219.60
  6. Step 6: Final answer
    x = 25,232.35

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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.