Home / 29,983.98-44,999.48-20,919.14

Finding the Fourth Proportional to 29,983.98, 44,999.48 and 20,919.14

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Solution

The fourth proportional to 29,983.98, 44,999.48 and 20,919.14 is: 31,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,983.98 : 44,999.48 = 20,919.14 : x
  2. Step 2: Convert to fraction form
    29,983.98/44,999.48 = 20,919.14/x
  3. Step 3: Cross multiply
    29,983.98x = 44,999.48 × 20,919.14
  4. Step 4: Simplify right side
    29,983.98x = 941,350,422.05
  5. Step 5: Solve for x
    x = 941,350,422.05/29,983.98
  6. Step 6: Final answer
    x = 31,395.11

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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.