Home / 43,561.82-65,328.14-13,972.64

Finding the Fourth Proportional to 43,561.82, 65,328.14 and 13,972.64

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Solution

The fourth proportional to 43,561.82, 65,328.14 and 13,972.64 is: 20,954.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,561.82 : 65,328.14 = 13,972.64 : x
  2. Step 2: Convert to fraction form
    43,561.82/65,328.14 = 13,972.64/x
  3. Step 3: Cross multiply
    43,561.82x = 65,328.14 × 13,972.64
  4. Step 4: Simplify right side
    43,561.82x = 912,806,290.38
  5. Step 5: Solve for x
    x = 912,806,290.38/43,561.82
  6. Step 6: Final answer
    x = 20,954.27

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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.