Home / 49,989.33-74,983.98-20,017.06

Finding the Fourth Proportional to 49,989.33, 74,983.98 and 20,017.06

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Solution

The fourth proportional to 49,989.33, 74,983.98 and 20,017.06 is: 30,025.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,989.33 : 74,983.98 = 20,017.06 : x
  2. Step 2: Convert to fraction form
    49,989.33/74,983.98 = 20,017.06/x
  3. Step 3: Cross multiply
    49,989.33x = 74,983.98 × 20,017.06
  4. Step 4: Simplify right side
    49,989.33x = 1,500,958,714.30
  5. Step 5: Solve for x
    x = 1,500,958,714.30/49,989.33
  6. Step 6: Final answer
    x = 30,025.58

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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.