Home / 29,181.18-43,772.01-12,540.06

Finding the Fourth Proportional to 29,181.18, 43,772.01 and 12,540.06

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Solution

The fourth proportional to 29,181.18, 43,772.01 and 12,540.06 is: 18,810.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,181.18 : 43,772.01 = 12,540.06 : x
  2. Step 2: Convert to fraction form
    29,181.18/43,772.01 = 12,540.06/x
  3. Step 3: Cross multiply
    29,181.18x = 43,772.01 × 12,540.06
  4. Step 4: Simplify right side
    29,181.18x = 548,903,631.72
  5. Step 5: Solve for x
    x = 548,903,631.72/29,181.18
  6. Step 6: Final answer
    x = 18,810.19

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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.