Home / 40,405.56-60,578.10-27,889.85

Finding the Fourth Proportional to 40,405.56, 60,578.10 and 27,889.85

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Solution

The fourth proportional to 40,405.56, 60,578.10 and 27,889.85 is: 41,813.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,405.56 : 60,578.10 = 27,889.85 : x
  2. Step 2: Convert to fraction form
    40,405.56/60,578.10 = 27,889.85/x
  3. Step 3: Cross multiply
    40,405.56x = 60,578.10 × 27,889.85
  4. Step 4: Simplify right side
    40,405.56x = 1,689,513,819.39
  5. Step 5: Solve for x
    x = 1,689,513,819.39/40,405.56
  6. Step 6: Final answer
    x = 41,813.89

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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.