Home / 39,825.30-59,740.11-10,243.38

Finding the Fourth Proportional to 39,825.30, 59,740.11 and 10,243.38

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Solution

The fourth proportional to 39,825.30, 59,740.11 and 10,243.38 is: 15,365.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,825.30 : 59,740.11 = 10,243.38 : x
  2. Step 2: Convert to fraction form
    39,825.30/59,740.11 = 10,243.38/x
  3. Step 3: Cross multiply
    39,825.30x = 59,740.11 × 10,243.38
  4. Step 4: Simplify right side
    39,825.30x = 611,940,647.97
  5. Step 5: Solve for x
    x = 611,940,647.97/39,825.30
  6. Step 6: Final answer
    x = 15,365.63

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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.