Home / 40,653.22-60,964.67-13,991.75

Finding the Fourth Proportional to 40,653.22, 60,964.67 and 13,991.75

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Solution

The fourth proportional to 40,653.22, 60,964.67 and 13,991.75 is: 20,982.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,653.22 : 60,964.67 = 13,991.75 : x
  2. Step 2: Convert to fraction form
    40,653.22/60,964.67 = 13,991.75/x
  3. Step 3: Cross multiply
    40,653.22x = 60,964.67 × 13,991.75
  4. Step 4: Simplify right side
    40,653.22x = 853,002,421.47
  5. Step 5: Solve for x
    x = 853,002,421.47/40,653.22
  6. Step 6: Final answer
    x = 20,982.41

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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.