Home / 55,755.05-76,942.53-30,261.62

Finding the Fourth Proportional to 55,755.05, 76,942.53 and 30,261.62

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Solution

The fourth proportional to 55,755.05, 76,942.53 and 30,261.62 is: 41,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,755.05 : 76,942.53 = 30,261.62 : x
  2. Step 2: Convert to fraction form
    55,755.05/76,942.53 = 30,261.62/x
  3. Step 3: Cross multiply
    55,755.05x = 76,942.53 × 30,261.62
  4. Step 4: Simplify right side
    55,755.05x = 2,328,405,797.05
  5. Step 5: Solve for x
    x = 2,328,405,797.05/55,755.05
  6. Step 6: Final answer
    x = 41,761.35

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1.5x scale

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.