Home / 43,540.56-65,302.20-21,344.40

Finding the Fourth Proportional to 43,540.56, 65,302.20 and 21,344.40

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Solution

The fourth proportional to 43,540.56, 65,302.20 and 21,344.40 is: 32,012.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,540.56 : 65,302.20 = 21,344.40 : x
  2. Step 2: Convert to fraction form
    43,540.56/65,302.20 = 21,344.40/x
  3. Step 3: Cross multiply
    43,540.56x = 65,302.20 × 21,344.40
  4. Step 4: Simplify right side
    43,540.56x = 1,393,836,277.68
  5. Step 5: Solve for x
    x = 1,393,836,277.68/43,540.56
  6. Step 6: Final answer
    x = 32,012.36

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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.