Home / 44,847.20-67,268.36-13,680

Finding the Fourth Proportional to 44,847.20, 67,268.36 and 13,680

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Solution

The fourth proportional to 44,847.20, 67,268.36 and 13,680 is: 20,519.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,847.20 : 67,268.36 = 13,680 : x
  2. Step 2: Convert to fraction form
    44,847.20/67,268.36 = 13,680/x
  3. Step 3: Cross multiply
    44,847.20x = 67,268.36 × 13,680
  4. Step 4: Simplify right side
    44,847.20x = 920,231,164.80
  5. Step 5: Solve for x
    x = 920,231,164.80/44,847.20
  6. Step 6: Final answer
    x = 20,519.26

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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.