Home / 31,716.78-43,669.49-26,926.79

Finding the Fourth Proportional to 31,716.78, 43,669.49 and 26,926.79

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Solution

The fourth proportional to 31,716.78, 43,669.49 and 26,926.79 is: 37,074.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,716.78 : 43,669.49 = 26,926.79 : x
  2. Step 2: Convert to fraction form
    31,716.78/43,669.49 = 26,926.79/x
  3. Step 3: Cross multiply
    31,716.78x = 43,669.49 × 26,926.79
  4. Step 4: Simplify right side
    31,716.78x = 1,175,878,833.66
  5. Step 5: Solve for x
    x = 1,175,878,833.66/31,716.78
  6. Step 6: Final answer
    x = 37,074.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.