Home / 49,454.82-74,181.42-12,015.20

Finding the Fourth Proportional to 49,454.82, 74,181.42 and 12,015.20

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Solution

The fourth proportional to 49,454.82, 74,181.42 and 12,015.20 is: 18,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,454.82 : 74,181.42 = 12,015.20 : x
  2. Step 2: Convert to fraction form
    49,454.82/74,181.42 = 12,015.20/x
  3. Step 3: Cross multiply
    49,454.82x = 74,181.42 × 12,015.20
  4. Step 4: Simplify right side
    49,454.82x = 891,304,597.58
  5. Step 5: Solve for x
    x = 891,304,597.58/49,454.82
  6. Step 6: Final answer
    x = 18,022.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.