Home / 51,015.78-76,531.59-26,042.31

Finding the Fourth Proportional to 51,015.78, 76,531.59 and 26,042.31

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Solution

The fourth proportional to 51,015.78, 76,531.59 and 26,042.31 is: 39,067.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,015.78 : 76,531.59 = 26,042.31 : x
  2. Step 2: Convert to fraction form
    51,015.78/76,531.59 = 26,042.31/x
  3. Step 3: Cross multiply
    51,015.78x = 76,531.59 × 26,042.31
  4. Step 4: Simplify right side
    51,015.78x = 1,993,059,391.57
  5. Step 5: Solve for x
    x = 1,993,059,391.57/51,015.78
  6. Step 6: Final answer
    x = 39,067.51

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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.