Home / 40,255.88-60,383.85-13,960.64

Finding the Fourth Proportional to 40,255.88, 60,383.85 and 13,960.64

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Solution

The fourth proportional to 40,255.88, 60,383.85 and 13,960.64 is: 20,940.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,255.88 : 60,383.85 = 13,960.64 : x
  2. Step 2: Convert to fraction form
    40,255.88/60,383.85 = 13,960.64/x
  3. Step 3: Cross multiply
    40,255.88x = 60,383.85 × 13,960.64
  4. Step 4: Simplify right side
    40,255.88x = 842,997,191.66
  5. Step 5: Solve for x
    x = 842,997,191.66/40,255.88
  6. Step 6: Final answer
    x = 20,940.97

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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.