Home / 50,013.18-75,040.51-21,918.69

Finding the Fourth Proportional to 50,013.18, 75,040.51 and 21,918.69

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Solution

The fourth proportional to 50,013.18, 75,040.51 and 21,918.69 is: 32,887.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,013.18 : 75,040.51 = 21,918.69 : x
  2. Step 2: Convert to fraction form
    50,013.18/75,040.51 = 21,918.69/x
  3. Step 3: Cross multiply
    50,013.18x = 75,040.51 × 21,918.69
  4. Step 4: Simplify right side
    50,013.18x = 1,644,789,676.13
  5. Step 5: Solve for x
    x = 1,644,789,676.13/50,013.18
  6. Step 6: Final answer
    x = 32,887.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.