Home / 43,886.26-65,866.25-18,945.15

Finding the Fourth Proportional to 43,886.26, 65,866.25 and 18,945.15

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Solution

The fourth proportional to 43,886.26, 65,866.25 and 18,945.15 is: 28,433.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,886.26 : 65,866.25 = 18,945.15 : x
  2. Step 2: Convert to fraction form
    43,886.26/65,866.25 = 18,945.15/x
  3. Step 3: Cross multiply
    43,886.26x = 65,866.25 × 18,945.15
  4. Step 4: Simplify right side
    43,886.26x = 1,247,845,986.19
  5. Step 5: Solve for x
    x = 1,247,845,986.19/43,886.26
  6. Step 6: Final answer
    x = 28,433.64

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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.