Home / 31,161.98-46,679.94-23,678.78

Finding the Fourth Proportional to 31,161.98, 46,679.94 and 23,678.78

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Solution

The fourth proportional to 31,161.98, 46,679.94 and 23,678.78 is: 35,470.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161.98 : 46,679.94 = 23,678.78 : x
  2. Step 2: Convert to fraction form
    31,161.98/46,679.94 = 23,678.78/x
  3. Step 3: Cross multiply
    31,161.98x = 46,679.94 × 23,678.78
  4. Step 4: Simplify right side
    31,161.98x = 1,105,324,029.67
  5. Step 5: Solve for x
    x = 1,105,324,029.67/31,161.98
  6. Step 6: Final answer
    x = 35,470.28

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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.