Home / 50,991.21-76,500.32-17,711.19

Finding the Fourth Proportional to 50,991.21, 76,500.32 and 17,711.19

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Solution

The fourth proportional to 50,991.21, 76,500.32 and 17,711.19 is: 26,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,991.21 : 76,500.32 = 17,711.19 : x
  2. Step 2: Convert to fraction form
    50,991.21/76,500.32 = 17,711.19/x
  3. Step 3: Cross multiply
    50,991.21x = 76,500.32 × 17,711.19
  4. Step 4: Simplify right side
    50,991.21x = 1,354,911,614.02
  5. Step 5: Solve for x
    x = 1,354,911,614.02/50,991.21
  6. Step 6: Final answer
    x = 26,571.47

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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.