Home / 66,010.48-99,021.55-18,625.99

Finding the Fourth Proportional to 66,010.48, 99,021.55 and 18,625.99

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Solution

The fourth proportional to 66,010.48, 99,021.55 and 18,625.99 is: 27,940.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,010.48 : 99,021.55 = 18,625.99 : x
  2. Step 2: Convert to fraction form
    66,010.48/99,021.55 = 18,625.99/x
  3. Step 3: Cross multiply
    66,010.48x = 99,021.55 × 18,625.99
  4. Step 4: Simplify right side
    66,010.48x = 1,844,374,400.08
  5. Step 5: Solve for x
    x = 1,844,374,400.08/66,010.48
  6. Step 6: Final answer
    x = 27,940.63

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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.