Home / 40,003.86-60,005.05-11,942.94

Finding the Fourth Proportional to 40,003.86, 60,005.05 and 11,942.94

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Solution

The fourth proportional to 40,003.86, 60,005.05 and 11,942.94 is: 17,914.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,003.86 : 60,005.05 = 11,942.94 : x
  2. Step 2: Convert to fraction form
    40,003.86/60,005.05 = 11,942.94/x
  3. Step 3: Cross multiply
    40,003.86x = 60,005.05 × 11,942.94
  4. Step 4: Simplify right side
    40,003.86x = 716,636,584.59
  5. Step 5: Solve for x
    x = 716,636,584.59/40,003.86
  6. Step 6: Final answer
    x = 17,914.19

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1.5x scale

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.