Home / 41,208.60-61,817.73-13,118.82

Finding the Fourth Proportional to 41,208.60, 61,817.73 and 13,118.82

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Solution

The fourth proportional to 41,208.60, 61,817.73 and 13,118.82 is: 19,679.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,208.60 : 61,817.73 = 13,118.82 : x
  2. Step 2: Convert to fraction form
    41,208.60/61,817.73 = 13,118.82/x
  3. Step 3: Cross multiply
    41,208.60x = 61,817.73 × 13,118.82
  4. Step 4: Simplify right side
    41,208.60x = 810,975,672.68
  5. Step 5: Solve for x
    x = 810,975,672.68/41,208.60
  6. Step 6: Final answer
    x = 19,679.77

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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.