Home / 31,268.60-46,786.26-30,918.68

Finding the Fourth Proportional to 31,268.60, 46,786.26 and 30,918.68

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Solution

The fourth proportional to 31,268.60, 46,786.26 and 30,918.68 is: 46,262.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,268.60 : 46,786.26 = 30,918.68 : x
  2. Step 2: Convert to fraction form
    31,268.60/46,786.26 = 30,918.68/x
  3. Step 3: Cross multiply
    31,268.60x = 46,786.26 × 30,918.68
  4. Step 4: Simplify right side
    31,268.60x = 1,446,569,401.34
  5. Step 5: Solve for x
    x = 1,446,569,401.34/31,268.60
  6. Step 6: Final answer
    x = 46,262.69

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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.