Home / 33,278.22-49,888.14-12,516.30

Finding the Fourth Proportional to 33,278.22, 49,888.14 and 12,516.30

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Solution

The fourth proportional to 33,278.22, 49,888.14 and 12,516.30 is: 18,763.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.22 : 49,888.14 = 12,516.30 : x
  2. Step 2: Convert to fraction form
    33,278.22/49,888.14 = 12,516.30/x
  3. Step 3: Cross multiply
    33,278.22x = 49,888.14 × 12,516.30
  4. Step 4: Simplify right side
    33,278.22x = 624,414,926.68
  5. Step 5: Solve for x
    x = 624,414,926.68/33,278.22
  6. Step 6: Final answer
    x = 18,763.47

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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.