Home / 41,318.43-61,981.74-13,231.43

Finding the Fourth Proportional to 41,318.43, 61,981.74 and 13,231.43

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Solution

The fourth proportional to 41,318.43, 61,981.74 and 13,231.43 is: 19,848.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,318.43 : 61,981.74 = 13,231.43 : x
  2. Step 2: Convert to fraction form
    41,318.43/61,981.74 = 13,231.43/x
  3. Step 3: Cross multiply
    41,318.43x = 61,981.74 × 13,231.43
  4. Step 4: Simplify right side
    41,318.43x = 820,107,054.09
  5. Step 5: Solve for x
    x = 820,107,054.09/41,318.43
  6. Step 6: Final answer
    x = 19,848.46

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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.