Home / 55,135.44-76,054.77-40,010.50

Finding the Fourth Proportional to 55,135.44, 76,054.77 and 40,010.50

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Solution

The fourth proportional to 55,135.44, 76,054.77 and 40,010.50 is: 55,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,135.44 : 76,054.77 = 40,010.50 : x
  2. Step 2: Convert to fraction form
    55,135.44/76,054.77 = 40,010.50/x
  3. Step 3: Cross multiply
    55,135.44x = 76,054.77 × 40,010.50
  4. Step 4: Simplify right side
    55,135.44x = 3,042,989,375.09
  5. Step 5: Solve for x
    x = 3,042,989,375.09/55,135.44
  6. Step 6: Final answer
    x = 55,191.17

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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.