Home / 33,278.30-49,888.29-12,516.38

Finding the Fourth Proportional to 33,278.30, 49,888.29 and 12,516.38

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Solution

The fourth proportional to 33,278.30, 49,888.29 and 12,516.38 is: 18,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.30 : 49,888.29 = 12,516.38 : x
  2. Step 2: Convert to fraction form
    33,278.30/49,888.29 = 12,516.38/x
  3. Step 3: Cross multiply
    33,278.30x = 49,888.29 × 12,516.38
  4. Step 4: Simplify right side
    33,278.30x = 624,420,545.75
  5. Step 5: Solve for x
    x = 624,420,545.75/33,278.30
  6. Step 6: Final answer
    x = 18,763.60

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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.