Home / 50,981.75-76,483.57-21,382.53

Finding the Fourth Proportional to 50,981.75, 76,483.57 and 21,382.53

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Solution

The fourth proportional to 50,981.75, 76,483.57 and 21,382.53 is: 32,078.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,981.75 : 76,483.57 = 21,382.53 : x
  2. Step 2: Convert to fraction form
    50,981.75/76,483.57 = 21,382.53/x
  3. Step 3: Cross multiply
    50,981.75x = 76,483.57 × 21,382.53
  4. Step 4: Simplify right side
    50,981.75x = 1,635,412,299.94
  5. Step 5: Solve for x
    x = 1,635,412,299.94/50,981.75
  6. Step 6: Final answer
    x = 32,078.38

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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.