Home / 55,180-76,148.64-30,029.44

Finding the Fourth Proportional to 55,180, 76,148.64 and 30,029.44

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Solution

The fourth proportional to 55,180, 76,148.64 and 30,029.44 is: 41,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,180 : 76,148.64 = 30,029.44 : x
  2. Step 2: Convert to fraction form
    55,180/76,148.64 = 30,029.44/x
  3. Step 3: Cross multiply
    55,180x = 76,148.64 × 30,029.44
  4. Step 4: Simplify right side
    55,180x = 2,286,701,015.96
  5. Step 5: Solve for x
    x = 2,286,701,015.96/55,180
  6. Step 6: Final answer
    x = 41,440.76

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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.