Home / 40,630.66-60,936.30-16,938.57

Finding the Fourth Proportional to 40,630.66, 60,936.30 and 16,938.57

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Solution

The fourth proportional to 40,630.66, 60,936.30 and 16,938.57 is: 25,403.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,630.66 : 60,936.30 = 16,938.57 : x
  2. Step 2: Convert to fraction form
    40,630.66/60,936.30 = 16,938.57/x
  3. Step 3: Cross multiply
    40,630.66x = 60,936.30 × 16,938.57
  4. Step 4: Simplify right side
    40,630.66x = 1,032,173,668.84
  5. Step 5: Solve for x
    x = 1,032,173,668.84/40,630.66
  6. Step 6: Final answer
    x = 25,403.81

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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.