Home / 48,422.16-72,637.43-13,361.82

Finding the Fourth Proportional to 48,422.16, 72,637.43 and 13,361.82

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Solution

The fourth proportional to 48,422.16, 72,637.43 and 13,361.82 is: 20,043.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,422.16 : 72,637.43 = 13,361.82 : x
  2. Step 2: Convert to fraction form
    48,422.16/72,637.43 = 13,361.82/x
  3. Step 3: Cross multiply
    48,422.16x = 72,637.43 × 13,361.82
  4. Step 4: Simplify right side
    48,422.16x = 970,568,198.11
  5. Step 5: Solve for x
    x = 970,568,198.11/48,422.16
  6. Step 6: Final answer
    x = 20,043.88

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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.