Home / 48,422.75-72,632.14-13,361.51

Finding the Fourth Proportional to 48,422.75, 72,632.14 and 13,361.51

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Solution

The fourth proportional to 48,422.75, 72,632.14 and 13,361.51 is: 20,041.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,422.75 : 72,632.14 = 13,361.51 : x
  2. Step 2: Convert to fraction form
    48,422.75/72,632.14 = 13,361.51/x
  3. Step 3: Cross multiply
    48,422.75x = 72,632.14 × 13,361.51
  4. Step 4: Simplify right side
    48,422.75x = 970,474,634.96
  5. Step 5: Solve for x
    x = 970,474,634.96/48,422.75
  6. Step 6: Final answer
    x = 20,041.71

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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.