Home / 48,422.06-72,637.27-13,361.72

Finding the Fourth Proportional to 48,422.06, 72,637.27 and 13,361.72

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Solution

The fourth proportional to 48,422.06, 72,637.27 and 13,361.72 is: 20,043.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,422.06 : 72,637.27 = 13,361.72 : x
  2. Step 2: Convert to fraction form
    48,422.06/72,637.27 = 13,361.72/x
  3. Step 3: Cross multiply
    48,422.06x = 72,637.27 × 13,361.72
  4. Step 4: Simplify right side
    48,422.06x = 970,558,541.87
  5. Step 5: Solve for x
    x = 970,558,541.87/48,422.06
  6. Step 6: Final answer
    x = 20,043.73

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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.