Home / 29,321.22-43,878-18,233.12

Finding the Fourth Proportional to 29,321.22, 43,878 and 18,233.12

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Solution

The fourth proportional to 29,321.22, 43,878 and 18,233.12 is: 27,285.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,321.22 : 43,878 = 18,233.12 : x
  2. Step 2: Convert to fraction form
    29,321.22/43,878 = 18,233.12/x
  3. Step 3: Cross multiply
    29,321.22x = 43,878 × 18,233.12
  4. Step 4: Simplify right side
    29,321.22x = 800,032,839.36
  5. Step 5: Solve for x
    x = 800,032,839.36/29,321.22
  6. Step 6: Final answer
    x = 27,285.11

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1.5x scale

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.