Home / 50,343.87-75,466.50-20,786.55

Finding the Fourth Proportional to 50,343.87, 75,466.50 and 20,786.55

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Solution

The fourth proportional to 50,343.87, 75,466.50 and 20,786.55 is: 31,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,343.87 : 75,466.50 = 20,786.55 : x
  2. Step 2: Convert to fraction form
    50,343.87/75,466.50 = 20,786.55/x
  3. Step 3: Cross multiply
    50,343.87x = 75,466.50 × 20,786.55
  4. Step 4: Simplify right side
    50,343.87x = 1,568,688,175.58
  5. Step 5: Solve for x
    x = 1,568,688,175.58/50,343.87
  6. Step 6: Final answer
    x = 31,159.47

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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.