Home / 31,789.75-43,769.82-26,999.41

Finding the Fourth Proportional to 31,789.75, 43,769.82 and 26,999.41

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Solution

The fourth proportional to 31,789.75, 43,769.82 and 26,999.41 is: 37,174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,789.75 : 43,769.82 = 26,999.41 : x
  2. Step 2: Convert to fraction form
    31,789.75/43,769.82 = 26,999.41/x
  3. Step 3: Cross multiply
    31,789.75x = 43,769.82 × 26,999.41
  4. Step 4: Simplify right side
    31,789.75x = 1,181,759,315.81
  5. Step 5: Solve for x
    x = 1,181,759,315.81/31,789.75
  6. Step 6: Final answer
    x = 37,174.22

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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.