Home / 51,091.22-76,640.66-13,650.45

Finding the Fourth Proportional to 51,091.22, 76,640.66 and 13,650.45

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Solution

The fourth proportional to 51,091.22, 76,640.66 and 13,650.45 is: 20,476.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,091.22 : 76,640.66 = 13,650.45 : x
  2. Step 2: Convert to fraction form
    51,091.22/76,640.66 = 13,650.45/x
  3. Step 3: Cross multiply
    51,091.22x = 76,640.66 × 13,650.45
  4. Step 4: Simplify right side
    51,091.22x = 1,046,179,429.04
  5. Step 5: Solve for x
    x = 1,046,179,429.04/51,091.22
  6. Step 6: Final answer
    x = 20,476.70

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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.