Home / 31,189.33-43,041.32-17,042.23

Finding the Fourth Proportional to 31,189.33, 43,041.32 and 17,042.23

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Solution

The fourth proportional to 31,189.33, 43,041.32 and 17,042.23 is: 23,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,189.33 : 43,041.32 = 17,042.23 : x
  2. Step 2: Convert to fraction form
    31,189.33/43,041.32 = 17,042.23/x
  3. Step 3: Cross multiply
    31,189.33x = 43,041.32 × 17,042.23
  4. Step 4: Simplify right side
    31,189.33x = 733,520,074.94
  5. Step 5: Solve for x
    x = 733,520,074.94/31,189.33
  6. Step 6: Final answer
    x = 23,518.30

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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.