Home / 40,253.88-60,380.85-13,958.64

Finding the Fourth Proportional to 40,253.88, 60,380.85 and 13,958.64

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Solution

The fourth proportional to 40,253.88, 60,380.85 and 13,958.64 is: 20,937.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,253.88 : 60,380.85 = 13,958.64 : x
  2. Step 2: Convert to fraction form
    40,253.88/60,380.85 = 13,958.64/x
  3. Step 3: Cross multiply
    40,253.88x = 60,380.85 × 13,958.64
  4. Step 4: Simplify right side
    40,253.88x = 842,834,548.04
  5. Step 5: Solve for x
    x = 842,834,548.04/40,253.88
  6. Step 6: Final answer
    x = 20,937.97

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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.