Home / 29,086.43-43,629.84-12,432.42

Finding the Fourth Proportional to 29,086.43, 43,629.84 and 12,432.42

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Solution

The fourth proportional to 29,086.43, 43,629.84 and 12,432.42 is: 18,648.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,086.43 : 43,629.84 = 12,432.42 : x
  2. Step 2: Convert to fraction form
    29,086.43/43,629.84 = 12,432.42/x
  3. Step 3: Cross multiply
    29,086.43x = 43,629.84 × 12,432.42
  4. Step 4: Simplify right side
    29,086.43x = 542,424,495.41
  5. Step 5: Solve for x
    x = 542,424,495.41/29,086.43
  6. Step 6: Final answer
    x = 18,648.72

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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.