Home / 43,661.43-65,437.38-18,672.14

Finding the Fourth Proportional to 43,661.43, 65,437.38 and 18,672.14

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Solution

The fourth proportional to 43,661.43, 65,437.38 and 18,672.14 is: 27,984.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,661.43 : 65,437.38 = 18,672.14 : x
  2. Step 2: Convert to fraction form
    43,661.43/65,437.38 = 18,672.14/x
  3. Step 3: Cross multiply
    43,661.43x = 65,437.38 × 18,672.14
  4. Step 4: Simplify right side
    43,661.43x = 1,221,856,084.19
  5. Step 5: Solve for x
    x = 1,221,856,084.19/43,661.43
  6. Step 6: Final answer
    x = 27,984.79

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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.