Home / 36,905.82-55,358.26-11,945.31

Finding the Fourth Proportional to 36,905.82, 55,358.26 and 11,945.31

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Solution

The fourth proportional to 36,905.82, 55,358.26 and 11,945.31 is: 17,917.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,905.82 : 55,358.26 = 11,945.31 : x
  2. Step 2: Convert to fraction form
    36,905.82/55,358.26 = 11,945.31/x
  3. Step 3: Cross multiply
    36,905.82x = 55,358.26 × 11,945.31
  4. Step 4: Simplify right side
    36,905.82x = 661,271,576.76
  5. Step 5: Solve for x
    x = 661,271,576.76/36,905.82
  6. Step 6: Final answer
    x = 17,917.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.