Home / 36,985.44-51,028.74-21,879.84

Finding the Fourth Proportional to 36,985.44, 51,028.74 and 21,879.84

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Solution

The fourth proportional to 36,985.44, 51,028.74 and 21,879.84 is: 30,187.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,985.44 : 51,028.74 = 21,879.84 : x
  2. Step 2: Convert to fraction form
    36,985.44/51,028.74 = 21,879.84/x
  3. Step 3: Cross multiply
    36,985.44x = 51,028.74 × 21,879.84
  4. Step 4: Simplify right side
    36,985.44x = 1,116,500,666.60
  5. Step 5: Solve for x
    x = 1,116,500,666.60/36,985.44
  6. Step 6: Final answer
    x = 30,187.57

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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.