Home / 48,422.64-72,634.32-13,361.52

Finding the Fourth Proportional to 48,422.64, 72,634.32 and 13,361.52

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Solution

The fourth proportional to 48,422.64, 72,634.32 and 13,361.52 is: 20,042.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,422.64 : 72,634.32 = 13,361.52 : x
  2. Step 2: Convert to fraction form
    48,422.64/72,634.32 = 13,361.52/x
  3. Step 3: Cross multiply
    48,422.64x = 72,634.32 × 13,361.52
  4. Step 4: Simplify right side
    48,422.64x = 970,504,919.37
  5. Step 5: Solve for x
    x = 970,504,919.37/48,422.64
  6. Step 6: Final answer
    x = 20,042.38

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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.