Home / 50,989.58-76,419.46-28,815.36

Finding the Fourth Proportional to 50,989.58, 76,419.46 and 28,815.36

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Solution

The fourth proportional to 50,989.58, 76,419.46 and 28,815.36 is: 43,186.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,989.58 : 76,419.46 = 28,815.36 : x
  2. Step 2: Convert to fraction form
    50,989.58/76,419.46 = 28,815.36/x
  3. Step 3: Cross multiply
    50,989.58x = 76,419.46 × 28,815.36
  4. Step 4: Simplify right side
    50,989.58x = 2,202,054,250.91
  5. Step 5: Solve for x
    x = 2,202,054,250.91/50,989.58
  6. Step 6: Final answer
    x = 43,186.36

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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.