Home / 49,400.40-74,114.46-19,839

Finding the Fourth Proportional to 49,400.40, 74,114.46 and 19,839

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Solution

The fourth proportional to 49,400.40, 74,114.46 and 19,839 is: 29,764.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,400.40 : 74,114.46 = 19,839 : x
  2. Step 2: Convert to fraction form
    49,400.40/74,114.46 = 19,839/x
  3. Step 3: Cross multiply
    49,400.40x = 74,114.46 × 19,839
  4. Step 4: Simplify right side
    49,400.40x = 1,470,356,771.94
  5. Step 5: Solve for x
    x = 1,470,356,771.94/49,400.40
  6. Step 6: Final answer
    x = 29,764.07

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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.