Home / 40,260.45-60,401.61-12,179.37

Finding the Fourth Proportional to 40,260.45, 60,401.61 and 12,179.37

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Solution

The fourth proportional to 40,260.45, 60,401.61 and 12,179.37 is: 18,272.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,260.45 : 60,401.61 = 12,179.37 : x
  2. Step 2: Convert to fraction form
    40,260.45/60,401.61 = 12,179.37/x
  3. Step 3: Cross multiply
    40,260.45x = 60,401.61 × 12,179.37
  4. Step 4: Simplify right side
    40,260.45x = 735,653,556.79
  5. Step 5: Solve for x
    x = 735,653,556.79/40,260.45
  6. Step 6: Final answer
    x = 18,272.36

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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.