Home / 48,755.36-73,144.38-20,677.80

Finding the Fourth Proportional to 48,755.36, 73,144.38 and 20,677.80

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Solution

The fourth proportional to 48,755.36, 73,144.38 and 20,677.80 is: 31,021.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,755.36 : 73,144.38 = 20,677.80 : x
  2. Step 2: Convert to fraction form
    48,755.36/73,144.38 = 20,677.80/x
  3. Step 3: Cross multiply
    48,755.36x = 73,144.38 × 20,677.80
  4. Step 4: Simplify right side
    48,755.36x = 1,512,464,860.76
  5. Step 5: Solve for x
    x = 1,512,464,860.76/48,755.36
  6. Step 6: Final answer
    x = 31,021.51

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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.