Home / 40,836.36-61,225.57-15,855.36

Finding the Fourth Proportional to 40,836.36, 61,225.57 and 15,855.36

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Solution

The fourth proportional to 40,836.36, 61,225.57 and 15,855.36 is: 23,771.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,836.36 : 61,225.57 = 15,855.36 : x
  2. Step 2: Convert to fraction form
    40,836.36/61,225.57 = 15,855.36/x
  3. Step 3: Cross multiply
    40,836.36x = 61,225.57 × 15,855.36
  4. Step 4: Simplify right side
    40,836.36x = 970,753,453.56
  5. Step 5: Solve for x
    x = 970,753,453.56/40,836.36
  6. Step 6: Final answer
    x = 23,771.79

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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.