Home / 31,081.74-46,629.36-11,360.28

Finding the Fourth Proportional to 31,081.74, 46,629.36 and 11,360.28

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Solution

The fourth proportional to 31,081.74, 46,629.36 and 11,360.28 is: 17,042.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,081.74 : 46,629.36 = 11,360.28 : x
  2. Step 2: Convert to fraction form
    31,081.74/46,629.36 = 11,360.28/x
  3. Step 3: Cross multiply
    31,081.74x = 46,629.36 × 11,360.28
  4. Step 4: Simplify right side
    31,081.74x = 529,722,585.82
  5. Step 5: Solve for x
    x = 529,722,585.82/31,081.74
  6. Step 6: Final answer
    x = 17,042.89

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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.