Home / 40,163.83-60,247.28-12,087.87

Finding the Fourth Proportional to 40,163.83, 60,247.28 and 12,087.87

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Solution

The fourth proportional to 40,163.83, 60,247.28 and 12,087.87 is: 18,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,163.83 : 60,247.28 = 12,087.87 : x
  2. Step 2: Convert to fraction form
    40,163.83/60,247.28 = 12,087.87/x
  3. Step 3: Cross multiply
    40,163.83x = 60,247.28 × 12,087.87
  4. Step 4: Simplify right side
    40,163.83x = 728,261,501.46
  5. Step 5: Solve for x
    x = 728,261,501.46/40,163.83
  6. Step 6: Final answer
    x = 18,132.27

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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.