Home / 41,860.12-62,790.69-12,278.56

Finding the Fourth Proportional to 41,860.12, 62,790.69 and 12,278.56

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Solution

The fourth proportional to 41,860.12, 62,790.69 and 12,278.56 is: 18,417.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,860.12 : 62,790.69 = 12,278.56 : x
  2. Step 2: Convert to fraction form
    41,860.12/62,790.69 = 12,278.56/x
  3. Step 3: Cross multiply
    41,860.12x = 62,790.69 × 12,278.56
  4. Step 4: Simplify right side
    41,860.12x = 770,979,097.63
  5. Step 5: Solve for x
    x = 770,979,097.63/41,860.12
  6. Step 6: Final answer
    x = 18,417.99

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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.