Home / 40,131.98-60,206.34-12,050.90

Finding the Fourth Proportional to 40,131.98, 60,206.34 and 12,050.90

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Solution

The fourth proportional to 40,131.98, 60,206.34 and 12,050.90 is: 18,078.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,131.98 : 60,206.34 = 12,050.90 : x
  2. Step 2: Convert to fraction form
    40,131.98/60,206.34 = 12,050.90/x
  3. Step 3: Cross multiply
    40,131.98x = 60,206.34 × 12,050.90
  4. Step 4: Simplify right side
    40,131.98x = 725,540,582.71
  5. Step 5: Solve for x
    x = 725,540,582.71/40,131.98
  6. Step 6: Final answer
    x = 18,078.86

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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.