Home / 49,403.84-74,119.64-19,842.44

Finding the Fourth Proportional to 49,403.84, 74,119.64 and 19,842.44

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Solution

The fourth proportional to 49,403.84, 74,119.64 and 19,842.44 is: 29,769.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,403.84 : 74,119.64 = 19,842.44 : x
  2. Step 2: Convert to fraction form
    49,403.84/74,119.64 = 19,842.44/x
  3. Step 3: Cross multiply
    49,403.84x = 74,119.64 × 19,842.44
  4. Step 4: Simplify right side
    49,403.84x = 1,470,714,509.52
  5. Step 5: Solve for x
    x = 1,470,714,509.52/49,403.84
  6. Step 6: Final answer
    x = 29,769.23

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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.