Home / 43,943.78-65,902.21-15,860.41

Finding the Fourth Proportional to 43,943.78, 65,902.21 and 15,860.41

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Solution

The fourth proportional to 43,943.78, 65,902.21 and 15,860.41 is: 23,785.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,943.78 : 65,902.21 = 15,860.41 : x
  2. Step 2: Convert to fraction form
    43,943.78/65,902.21 = 15,860.41/x
  3. Step 3: Cross multiply
    43,943.78x = 65,902.21 × 15,860.41
  4. Step 4: Simplify right side
    43,943.78x = 1,045,235,866.10
  5. Step 5: Solve for x
    x = 1,045,235,866.10/43,943.78
  6. Step 6: Final answer
    x = 23,785.75

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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.