Home / 45,116.10-67,669.29-11,839.50

Finding the Fourth Proportional to 45,116.10, 67,669.29 and 11,839.50

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Solution

The fourth proportional to 45,116.10, 67,669.29 and 11,839.50 is: 17,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,116.10 : 67,669.29 = 11,839.50 : x
  2. Step 2: Convert to fraction form
    45,116.10/67,669.29 = 11,839.50/x
  3. Step 3: Cross multiply
    45,116.10x = 67,669.29 × 11,839.50
  4. Step 4: Simplify right side
    45,116.10x = 801,170,558.96
  5. Step 5: Solve for x
    x = 801,170,558.96/45,116.10
  6. Step 6: Final answer
    x = 17,757.97

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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.