Home / 40,187.37-60,291.05-12,106.79

Finding the Fourth Proportional to 40,187.37, 60,291.05 and 12,106.79

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Solution

The fourth proportional to 40,187.37, 60,291.05 and 12,106.79 is: 18,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,187.37 : 60,291.05 = 12,106.79 : x
  2. Step 2: Convert to fraction form
    40,187.37/60,291.05 = 12,106.79/x
  3. Step 3: Cross multiply
    40,187.37x = 60,291.05 × 12,106.79
  4. Step 4: Simplify right side
    40,187.37x = 729,930,719.24
  5. Step 5: Solve for x
    x = 729,930,719.24/40,187.37
  6. Step 6: Final answer
    x = 18,163.19

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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.