Home / 36,987.99-51,043.44-19,992.21

Finding the Fourth Proportional to 36,987.99, 51,043.44 and 19,992.21

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Solution

The fourth proportional to 36,987.99, 51,043.44 and 19,992.21 is: 27,589.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,987.99 : 51,043.44 = 19,992.21 : x
  2. Step 2: Convert to fraction form
    36,987.99/51,043.44 = 19,992.21/x
  3. Step 3: Cross multiply
    36,987.99x = 51,043.44 × 19,992.21
  4. Step 4: Simplify right side
    36,987.99x = 1,020,471,171.60
  5. Step 5: Solve for x
    x = 1,020,471,171.60/36,987.99
  6. Step 6: Final answer
    x = 27,589.26

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Double scale
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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.