Home / 43,568.56-65,352.93-11,979.04

Finding the Fourth Proportional to 43,568.56, 65,352.93 and 11,979.04

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Solution

The fourth proportional to 43,568.56, 65,352.93 and 11,979.04 is: 17,968.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,568.56 : 65,352.93 = 11,979.04 : x
  2. Step 2: Convert to fraction form
    43,568.56/65,352.93 = 11,979.04/x
  3. Step 3: Cross multiply
    43,568.56x = 65,352.93 × 11,979.04
  4. Step 4: Simplify right side
    43,568.56x = 782,865,362.59
  5. Step 5: Solve for x
    x = 782,865,362.59/43,568.56
  6. Step 6: Final answer
    x = 17,968.58

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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.