Home / 53,010.45-73,153.94-28,811.09

Finding the Fourth Proportional to 53,010.45, 73,153.94 and 28,811.09

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Solution

The fourth proportional to 53,010.45, 73,153.94 and 28,811.09 is: 39,759.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,010.45 : 73,153.94 = 28,811.09 : x
  2. Step 2: Convert to fraction form
    53,010.45/73,153.94 = 28,811.09/x
  3. Step 3: Cross multiply
    53,010.45x = 73,153.94 × 28,811.09
  4. Step 4: Simplify right side
    53,010.45x = 2,107,644,788.02
  5. Step 5: Solve for x
    x = 2,107,644,788.02/53,010.45
  6. Step 6: Final answer
    x = 39,759.04

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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.