Home / 36,991.36-51,048.12-20,224.36

Finding the Fourth Proportional to 36,991.36, 51,048.12 and 20,224.36

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Solution

The fourth proportional to 36,991.36, 51,048.12 and 20,224.36 is: 27,909.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,991.36 : 51,048.12 = 20,224.36 : x
  2. Step 2: Convert to fraction form
    36,991.36/51,048.12 = 20,224.36/x
  3. Step 3: Cross multiply
    36,991.36x = 51,048.12 × 20,224.36
  4. Step 4: Simplify right side
    36,991.36x = 1,032,415,556.20
  5. Step 5: Solve for x
    x = 1,032,415,556.20/36,991.36
  6. Step 6: Final answer
    x = 27,909.64

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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.