Home / 36,991.72-51,048.66-20,225.80

Finding the Fourth Proportional to 36,991.72, 51,048.66 and 20,225.80

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Solution

The fourth proportional to 36,991.72, 51,048.66 and 20,225.80 is: 27,911.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,991.72 : 51,048.66 = 20,225.80 : x
  2. Step 2: Convert to fraction form
    36,991.72/51,048.66 = 20,225.80/x
  3. Step 3: Cross multiply
    36,991.72x = 51,048.66 × 20,225.80
  4. Step 4: Simplify right side
    36,991.72x = 1,032,499,987.43
  5. Step 5: Solve for x
    x = 1,032,499,987.43/36,991.72
  6. Step 6: Final answer
    x = 27,911.65

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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.