Home / 39,969.64-59,954.46-13,674.60

Finding the Fourth Proportional to 39,969.64, 59,954.46 and 13,674.60

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Solution

The fourth proportional to 39,969.64, 59,954.46 and 13,674.60 is: 20,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,969.64 : 59,954.46 = 13,674.60 : x
  2. Step 2: Convert to fraction form
    39,969.64/59,954.46 = 13,674.60/x
  3. Step 3: Cross multiply
    39,969.64x = 59,954.46 × 13,674.60
  4. Step 4: Simplify right side
    39,969.64x = 819,853,258.72
  5. Step 5: Solve for x
    x = 819,853,258.72/39,969.64
  6. Step 6: Final answer
    x = 20,511.90

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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.