Home / 43,540.48-65,301.12-21,331.84

Finding the Fourth Proportional to 43,540.48, 65,301.12 and 21,331.84

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Solution

The fourth proportional to 43,540.48, 65,301.12 and 21,331.84 is: 31,993.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,540.48 : 65,301.12 = 21,331.84 : x
  2. Step 2: Convert to fraction form
    43,540.48/65,301.12 = 21,331.84/x
  3. Step 3: Cross multiply
    43,540.48x = 65,301.12 × 21,331.84
  4. Step 4: Simplify right side
    43,540.48x = 1,392,993,043.66
  5. Step 5: Solve for x
    x = 1,392,993,043.66/43,540.48
  6. Step 6: Final answer
    x = 31,993.06

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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.