Home / 40,687.03-61,039.26-12,606.46

Finding the Fourth Proportional to 40,687.03, 61,039.26 and 12,606.46

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Solution

The fourth proportional to 40,687.03, 61,039.26 and 12,606.46 is: 18,912.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,687.03 : 61,039.26 = 12,606.46 : x
  2. Step 2: Convert to fraction form
    40,687.03/61,039.26 = 12,606.46/x
  3. Step 3: Cross multiply
    40,687.03x = 61,039.26 × 12,606.46
  4. Step 4: Simplify right side
    40,687.03x = 769,488,926.59
  5. Step 5: Solve for x
    x = 769,488,926.59/40,687.03
  6. Step 6: Final answer
    x = 18,912.39

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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.