Home / 40,576.92-60,865.36-12,872.76

Finding the Fourth Proportional to 40,576.92, 60,865.36 and 12,872.76

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Solution

The fourth proportional to 40,576.92, 60,865.36 and 12,872.76 is: 19,309.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,576.92 : 60,865.36 = 12,872.76 : x
  2. Step 2: Convert to fraction form
    40,576.92/60,865.36 = 12,872.76/x
  3. Step 3: Cross multiply
    40,576.92x = 60,865.36 × 12,872.76
  4. Step 4: Simplify right side
    40,576.92x = 783,505,171.59
  5. Step 5: Solve for x
    x = 783,505,171.59/40,576.92
  6. Step 6: Final answer
    x = 19,309.13

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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.