Home / 31,189.59-43,041.60-17,042.43

Finding the Fourth Proportional to 31,189.59, 43,041.60 and 17,042.43

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Solution

The fourth proportional to 31,189.59, 43,041.60 and 17,042.43 is: 23,518.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,189.59 : 43,041.60 = 17,042.43 : x
  2. Step 2: Convert to fraction form
    31,189.59/43,041.60 = 17,042.43/x
  3. Step 3: Cross multiply
    31,189.59x = 43,041.60 × 17,042.43
  4. Step 4: Simplify right side
    31,189.59x = 733,533,664.43
  5. Step 5: Solve for x
    x = 733,533,664.43/31,189.59
  6. Step 6: Final answer
    x = 23,518.54

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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.