Home / 41,860.24-62,790.71-12,278.57

Finding the Fourth Proportional to 41,860.24, 62,790.71 and 12,278.57

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Solution

The fourth proportional to 41,860.24, 62,790.71 and 12,278.57 is: 18,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,860.24 : 62,790.71 = 12,278.57 : x
  2. Step 2: Convert to fraction form
    41,860.24/62,790.71 = 12,278.57/x
  3. Step 3: Cross multiply
    41,860.24x = 62,790.71 × 12,278.57
  4. Step 4: Simplify right side
    41,860.24x = 770,979,752.74
  5. Step 5: Solve for x
    x = 770,979,752.74/41,860.24
  6. Step 6: Final answer
    x = 18,417.95

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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.