Home / 29,467.19-40,660.28-18,138.53

Finding the Fourth Proportional to 29,467.19, 40,660.28 and 18,138.53

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Solution

The fourth proportional to 29,467.19, 40,660.28 and 18,138.53 is: 25,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,467.19 : 40,660.28 = 18,138.53 : x
  2. Step 2: Convert to fraction form
    29,467.19/40,660.28 = 18,138.53/x
  3. Step 3: Cross multiply
    29,467.19x = 40,660.28 × 18,138.53
  4. Step 4: Simplify right side
    29,467.19x = 737,517,787.57
  5. Step 5: Solve for x
    x = 737,517,787.57/29,467.19
  6. Step 6: Final answer
    x = 25,028.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.