Home / 50,290.50-75,467.54-28,118.43

Finding the Fourth Proportional to 50,290.50, 75,467.54 and 28,118.43

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Solution

The fourth proportional to 50,290.50, 75,467.54 and 28,118.43 is: 42,195.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,290.50 : 75,467.54 = 28,118.43 : x
  2. Step 2: Convert to fraction form
    50,290.50/75,467.54 = 28,118.43/x
  3. Step 3: Cross multiply
    50,290.50x = 75,467.54 × 28,118.43
  4. Step 4: Simplify right side
    50,290.50x = 2,122,028,600.17
  5. Step 5: Solve for x
    x = 2,122,028,600.17/50,290.50
  6. Step 6: Final answer
    x = 42,195.42

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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.