Home / 40,858.44-61,286.40-11,278.08

Finding the Fourth Proportional to 40,858.44, 61,286.40 and 11,278.08

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Solution

The fourth proportional to 40,858.44, 61,286.40 and 11,278.08 is: 16,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,858.44 : 61,286.40 = 11,278.08 : x
  2. Step 2: Convert to fraction form
    40,858.44/61,286.40 = 11,278.08/x
  3. Step 3: Cross multiply
    40,858.44x = 61,286.40 × 11,278.08
  4. Step 4: Simplify right side
    40,858.44x = 691,192,922.11
  5. Step 5: Solve for x
    x = 691,192,922.11/40,858.44
  6. Step 6: Final answer
    x = 16,916.77

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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.