Home / 29,218.12-43,833.66-8,440.12

Finding the Fourth Proportional to 29,218.12, 43,833.66 and 8,440.12

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Solution

The fourth proportional to 29,218.12, 43,833.66 and 8,440.12 is: 12,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,218.12 : 43,833.66 = 8,440.12 : x
  2. Step 2: Convert to fraction form
    29,218.12/43,833.66 = 8,440.12/x
  3. Step 3: Cross multiply
    29,218.12x = 43,833.66 × 8,440.12
  4. Step 4: Simplify right side
    29,218.12x = 369,961,350.44
  5. Step 5: Solve for x
    x = 369,961,350.44/29,218.12
  6. Step 6: Final answer
    x = 12,662.05

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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.