Home / 74,984.97-112,474.62-18,825.51

Finding the Fourth Proportional to 74,984.97, 112,474.62 and 18,825.51

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Solution

The fourth proportional to 74,984.97, 112,474.62 and 18,825.51 is: 28,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,984.97 : 112,474.62 = 18,825.51 : x
  2. Step 2: Convert to fraction form
    74,984.97/112,474.62 = 18,825.51/x
  3. Step 3: Cross multiply
    74,984.97x = 112,474.62 × 18,825.51
  4. Step 4: Simplify right side
    74,984.97x = 2,117,392,083.56
  5. Step 5: Solve for x
    x = 2,117,392,083.56/74,984.97
  6. Step 6: Final answer
    x = 28,237.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.