Home / 29,138.32-43,644.30-18,047.80

Finding the Fourth Proportional to 29,138.32, 43,644.30 and 18,047.80

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Solution

The fourth proportional to 29,138.32, 43,644.30 and 18,047.80 is: 27,032.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138.32 : 43,644.30 = 18,047.80 : x
  2. Step 2: Convert to fraction form
    29,138.32/43,644.30 = 18,047.80/x
  3. Step 3: Cross multiply
    29,138.32x = 43,644.30 × 18,047.80
  4. Step 4: Simplify right side
    29,138.32x = 787,683,597.54
  5. Step 5: Solve for x
    x = 787,683,597.54/29,138.32
  6. Step 6: Final answer
    x = 27,032.57

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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.