Home / 37,775.36-52,131.84-21,008

Finding the Fourth Proportional to 37,775.36, 52,131.84 and 21,008

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Solution

The fourth proportional to 37,775.36, 52,131.84 and 21,008 is: 28,992.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,775.36 : 52,131.84 = 21,008 : x
  2. Step 2: Convert to fraction form
    37,775.36/52,131.84 = 21,008/x
  3. Step 3: Cross multiply
    37,775.36x = 52,131.84 × 21,008
  4. Step 4: Simplify right side
    37,775.36x = 1,095,185,694.72
  5. Step 5: Solve for x
    x = 1,095,185,694.72/37,775.36
  6. Step 6: Final answer
    x = 28,992.07

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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.