Home / 41,861.05-62,790.75-12,278.23

Finding the Fourth Proportional to 41,861.05, 62,790.75 and 12,278.23

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Solution

The fourth proportional to 41,861.05, 62,790.75 and 12,278.23 is: 18,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,861.05 : 62,790.75 = 12,278.23 : x
  2. Step 2: Convert to fraction form
    41,861.05/62,790.75 = 12,278.23/x
  3. Step 3: Cross multiply
    41,861.05x = 62,790.75 × 12,278.23
  4. Step 4: Simplify right side
    41,861.05x = 770,959,270.37
  5. Step 5: Solve for x
    x = 770,959,270.37/41,861.05
  6. Step 6: Final answer
    x = 18,417.10

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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.