Home / 40,858.89-61,286.67-11,275.97

Finding the Fourth Proportional to 40,858.89, 61,286.67 and 11,275.97

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Solution

The fourth proportional to 40,858.89, 61,286.67 and 11,275.97 is: 16,913.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,858.89 : 61,286.67 = 11,275.97 : x
  2. Step 2: Convert to fraction form
    40,858.89/61,286.67 = 11,275.97/x
  3. Step 3: Cross multiply
    40,858.89x = 61,286.67 × 11,275.97
  4. Step 4: Simplify right side
    40,858.89x = 691,066,345.89
  5. Step 5: Solve for x
    x = 691,066,345.89/40,858.89
  6. Step 6: Final answer
    x = 16,913.49

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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.