Home / 49,852.76-74,757.21-18,666.14

Finding the Fourth Proportional to 49,852.76, 74,757.21 and 18,666.14

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Solution

The fourth proportional to 49,852.76, 74,757.21 and 18,666.14 is: 27,990.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,852.76 : 74,757.21 = 18,666.14 : x
  2. Step 2: Convert to fraction form
    49,852.76/74,757.21 = 18,666.14/x
  3. Step 3: Cross multiply
    49,852.76x = 74,757.21 × 18,666.14
  4. Step 4: Simplify right side
    49,852.76x = 1,395,428,174.08
  5. Step 5: Solve for x
    x = 1,395,428,174.08/49,852.76
  6. Step 6: Final answer
    x = 27,990.99

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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.