Home / 43,540.98-65,301.87-21,332.34

Finding the Fourth Proportional to 43,540.98, 65,301.87 and 21,332.34

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Solution

The fourth proportional to 43,540.98, 65,301.87 and 21,332.34 is: 31,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,540.98 : 65,301.87 = 21,332.34 : x
  2. Step 2: Convert to fraction form
    43,540.98/65,301.87 = 21,332.34/x
  3. Step 3: Cross multiply
    43,540.98x = 65,301.87 × 21,332.34
  4. Step 4: Simplify right side
    43,540.98x = 1,393,041,693.48
  5. Step 5: Solve for x
    x = 1,393,041,693.48/43,540.98
  6. Step 6: Final answer
    x = 31,993.81

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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.