Home / 43,568.06-65,352.18-11,978.54

Finding the Fourth Proportional to 43,568.06, 65,352.18 and 11,978.54

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Solution

The fourth proportional to 43,568.06, 65,352.18 and 11,978.54 is: 17,967.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,568.06 : 65,352.18 = 11,978.54 : x
  2. Step 2: Convert to fraction form
    43,568.06/65,352.18 = 11,978.54/x
  3. Step 3: Cross multiply
    43,568.06x = 65,352.18 × 11,978.54
  4. Step 4: Simplify right side
    43,568.06x = 782,823,702.22
  5. Step 5: Solve for x
    x = 782,823,702.22/43,568.06
  6. Step 6: Final answer
    x = 17,967.83

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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.