Home / 31,775.39-43,850.09-17,628.23

Finding the Fourth Proportional to 31,775.39, 43,850.09 and 17,628.23

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Solution

The fourth proportional to 31,775.39, 43,850.09 and 17,628.23 is: 24,326.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,775.39 : 43,850.09 = 17,628.23 : x
  2. Step 2: Convert to fraction form
    31,775.39/43,850.09 = 17,628.23/x
  3. Step 3: Cross multiply
    31,775.39x = 43,850.09 × 17,628.23
  4. Step 4: Simplify right side
    31,775.39x = 772,999,450.01
  5. Step 5: Solve for x
    x = 772,999,450.01/31,775.39
  6. Step 6: Final answer
    x = 24,326.99

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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.