Home / 39,919.94-59,863.44-13,626.80

Finding the Fourth Proportional to 39,919.94, 59,863.44 and 13,626.80

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Solution

The fourth proportional to 39,919.94, 59,863.44 and 13,626.80 is: 20,434.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,919.94 : 59,863.44 = 13,626.80 : x
  2. Step 2: Convert to fraction form
    39,919.94/59,863.44 = 13,626.80/x
  3. Step 3: Cross multiply
    39,919.94x = 59,863.44 × 13,626.80
  4. Step 4: Simplify right side
    39,919.94x = 815,747,124.19
  5. Step 5: Solve for x
    x = 815,747,124.19/39,919.94
  6. Step 6: Final answer
    x = 20,434.58

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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.