Home / 51,676.71-71,313.90-30,181.11

Finding the Fourth Proportional to 51,676.71, 71,313.90 and 30,181.11

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Solution

The fourth proportional to 51,676.71, 71,313.90 and 30,181.11 is: 41,649.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,676.71 : 71,313.90 = 30,181.11 : x
  2. Step 2: Convert to fraction form
    51,676.71/71,313.90 = 30,181.11/x
  3. Step 3: Cross multiply
    51,676.71x = 71,313.90 × 30,181.11
  4. Step 4: Simplify right side
    51,676.71x = 2,152,332,660.43
  5. Step 5: Solve for x
    x = 2,152,332,660.43/51,676.71
  6. Step 6: Final answer
    x = 41,649.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.