Home / 40,940.29-61,438.64-14,286.43

Finding the Fourth Proportional to 40,940.29, 61,438.64 and 14,286.43

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Solution

The fourth proportional to 40,940.29, 61,438.64 and 14,286.43 is: 21,439.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,940.29 : 61,438.64 = 14,286.43 : x
  2. Step 2: Convert to fraction form
    40,940.29/61,438.64 = 14,286.43/x
  3. Step 3: Cross multiply
    40,940.29x = 61,438.64 × 14,286.43
  4. Step 4: Simplify right side
    40,940.29x = 877,738,758.22
  5. Step 5: Solve for x
    x = 877,738,758.22/40,940.29
  6. Step 6: Final answer
    x = 21,439.49

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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.