Home / 41,200.15-61,806.14-12,739.31

Finding the Fourth Proportional to 41,200.15, 61,806.14 and 12,739.31

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Solution

The fourth proportional to 41,200.15, 61,806.14 and 12,739.31 is: 19,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,200.15 : 61,806.14 = 12,739.31 : x
  2. Step 2: Convert to fraction form
    41,200.15/61,806.14 = 12,739.31/x
  3. Step 3: Cross multiply
    41,200.15x = 61,806.14 × 12,739.31
  4. Step 4: Simplify right side
    41,200.15x = 787,367,831.84
  5. Step 5: Solve for x
    x = 787,367,831.84/41,200.15
  6. Step 6: Final answer
    x = 19,110.80

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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.