Home / 29,180.12-43,766.51-8,121.74

Finding the Fourth Proportional to 29,180.12, 43,766.51 and 8,121.74

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Solution

The fourth proportional to 29,180.12, 43,766.51 and 8,121.74 is: 12,181.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,180.12 : 43,766.51 = 8,121.74 : x
  2. Step 2: Convert to fraction form
    29,180.12/43,766.51 = 8,121.74/x
  3. Step 3: Cross multiply
    29,180.12x = 43,766.51 × 8,121.74
  4. Step 4: Simplify right side
    29,180.12x = 355,459,955.49
  5. Step 5: Solve for x
    x = 355,459,955.49/29,180.12
  6. Step 6: Final answer
    x = 12,181.58

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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.