Home / 51,310.82-76,903.36-29,142.86

Finding the Fourth Proportional to 51,310.82, 76,903.36 and 29,142.86

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Solution

The fourth proportional to 51,310.82, 76,903.36 and 29,142.86 is: 43,678.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,310.82 : 76,903.36 = 29,142.86 : x
  2. Step 2: Convert to fraction form
    51,310.82/76,903.36 = 29,142.86/x
  3. Step 3: Cross multiply
    51,310.82x = 76,903.36 × 29,142.86
  4. Step 4: Simplify right side
    51,310.82x = 2,241,183,396.64
  5. Step 5: Solve for x
    x = 2,241,183,396.64/51,310.82
  6. Step 6: Final answer
    x = 43,678.57

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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.