Home / 41,518.40-62,083.20-31,020.80

Finding the Fourth Proportional to 41,518.40, 62,083.20 and 31,020.80

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Solution

The fourth proportional to 41,518.40, 62,083.20 and 31,020.80 is: 46,385.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,518.40 : 62,083.20 = 31,020.80 : x
  2. Step 2: Convert to fraction form
    41,518.40/62,083.20 = 31,020.80/x
  3. Step 3: Cross multiply
    41,518.40x = 62,083.20 × 31,020.80
  4. Step 4: Simplify right side
    41,518.40x = 1,925,870,530.56
  5. Step 5: Solve for x
    x = 1,925,870,530.56/41,518.40
  6. Step 6: Final answer
    x = 46,385.95

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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.