Home / 31,188.25-43,040.73-17,042.01

Finding the Fourth Proportional to 31,188.25, 43,040.73 and 17,042.01

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Solution

The fourth proportional to 31,188.25, 43,040.73 and 17,042.01 is: 23,518.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,188.25 : 43,040.73 = 17,042.01 : x
  2. Step 2: Convert to fraction form
    31,188.25/43,040.73 = 17,042.01/x
  3. Step 3: Cross multiply
    31,188.25x = 43,040.73 × 17,042.01
  4. Step 4: Simplify right side
    31,188.25x = 733,500,335.86
  5. Step 5: Solve for x
    x = 733,500,335.86/31,188.25
  6. Step 6: Final answer
    x = 23,518.48

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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.