Home / 40,137.40-60,203.79-12,056.83

Finding the Fourth Proportional to 40,137.40, 60,203.79 and 12,056.83

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Solution

The fourth proportional to 40,137.40, 60,203.79 and 12,056.83 is: 18,084.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,137.40 : 60,203.79 = 12,056.83 : x
  2. Step 2: Convert to fraction form
    40,137.40/60,203.79 = 12,056.83/x
  3. Step 3: Cross multiply
    40,137.40x = 60,203.79 × 12,056.83
  4. Step 4: Simplify right side
    40,137.40x = 725,867,049.52
  5. Step 5: Solve for x
    x = 725,867,049.52/40,137.40
  6. Step 6: Final answer
    x = 18,084.56

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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.