Home / 39,914.21-59,880.69-13,619.04

Finding the Fourth Proportional to 39,914.21, 59,880.69 and 13,619.04

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Solution

The fourth proportional to 39,914.21, 59,880.69 and 13,619.04 is: 20,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,914.21 : 59,880.69 = 13,619.04 : x
  2. Step 2: Convert to fraction form
    39,914.21/59,880.69 = 13,619.04/x
  3. Step 3: Cross multiply
    39,914.21x = 59,880.69 × 13,619.04
  4. Step 4: Simplify right side
    39,914.21x = 815,517,512.34
  5. Step 5: Solve for x
    x = 815,517,512.34/39,914.21
  6. Step 6: Final answer
    x = 20,431.76

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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.