Home / 31,131.97-46,698.27-8,945.29

Finding the Fourth Proportional to 31,131.97, 46,698.27 and 8,945.29

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Solution

The fourth proportional to 31,131.97, 46,698.27 and 8,945.29 is: 13,418.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,131.97 : 46,698.27 = 8,945.29 : x
  2. Step 2: Convert to fraction form
    31,131.97/46,698.27 = 8,945.29/x
  3. Step 3: Cross multiply
    31,131.97x = 46,698.27 × 8,945.29
  4. Step 4: Simplify right side
    31,131.97x = 417,729,567.65
  5. Step 5: Solve for x
    x = 417,729,567.65/31,131.97
  6. Step 6: Final answer
    x = 13,418.03

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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.