Home / 40,477.86-60,716.94-12,397.80

Finding the Fourth Proportional to 40,477.86, 60,716.94 and 12,397.80

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Solution

The fourth proportional to 40,477.86, 60,716.94 and 12,397.80 is: 18,596.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,477.86 : 60,716.94 = 12,397.80 : x
  2. Step 2: Convert to fraction form
    40,477.86/60,716.94 = 12,397.80/x
  3. Step 3: Cross multiply
    40,477.86x = 60,716.94 × 12,397.80
  4. Step 4: Simplify right side
    40,477.86x = 752,756,478.73
  5. Step 5: Solve for x
    x = 752,756,478.73/40,477.86
  6. Step 6: Final answer
    x = 18,596.75

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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.