Home / 40,255.38-60,383.10-13,960.14

Finding the Fourth Proportional to 40,255.38, 60,383.10 and 13,960.14

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Solution

The fourth proportional to 40,255.38, 60,383.10 and 13,960.14 is: 20,940.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,255.38 : 60,383.10 = 13,960.14 : x
  2. Step 2: Convert to fraction form
    40,255.38/60,383.10 = 13,960.14/x
  3. Step 3: Cross multiply
    40,255.38x = 60,383.10 × 13,960.14
  4. Step 4: Simplify right side
    40,255.38x = 842,956,529.63
  5. Step 5: Solve for x
    x = 842,956,529.63/40,255.38
  6. Step 6: Final answer
    x = 20,940.22

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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.