Home / 36,154.96-54,190.80-13,958.56

Finding the Fourth Proportional to 36,154.96, 54,190.80 and 13,958.56

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Solution

The fourth proportional to 36,154.96, 54,190.80 and 13,958.56 is: 20,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,154.96 : 54,190.80 = 13,958.56 : x
  2. Step 2: Convert to fraction form
    36,154.96/54,190.80 = 13,958.56/x
  3. Step 3: Cross multiply
    36,154.96x = 54,190.80 × 13,958.56
  4. Step 4: Simplify right side
    36,154.96x = 756,425,533.25
  5. Step 5: Solve for x
    x = 756,425,533.25/36,154.96
  6. Step 6: Final answer
    x = 20,921.76

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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.