Home / 43,971.28-65,963.08-14,391.44

Finding the Fourth Proportional to 43,971.28, 65,963.08 and 14,391.44

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Solution

The fourth proportional to 43,971.28, 65,963.08 and 14,391.44 is: 21,589.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,971.28 : 65,963.08 = 14,391.44 : x
  2. Step 2: Convert to fraction form
    43,971.28/65,963.08 = 14,391.44/x
  3. Step 3: Cross multiply
    43,971.28x = 65,963.08 × 14,391.44
  4. Step 4: Simplify right side
    43,971.28x = 949,303,708.04
  5. Step 5: Solve for x
    x = 949,303,708.04/43,971.28
  6. Step 6: Final answer
    x = 21,589.18

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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.