Home / 36,132.42-54,185.18-12,433.35

Finding the Fourth Proportional to 36,132.42, 54,185.18 and 12,433.35

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Solution

The fourth proportional to 36,132.42, 54,185.18 and 12,433.35 is: 18,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,132.42 : 54,185.18 = 12,433.35 : x
  2. Step 2: Convert to fraction form
    36,132.42/54,185.18 = 12,433.35/x
  3. Step 3: Cross multiply
    36,132.42x = 54,185.18 × 12,433.35
  4. Step 4: Simplify right side
    36,132.42x = 673,703,245.59
  5. Step 5: Solve for x
    x = 673,703,245.59/36,132.42
  6. Step 6: Final answer
    x = 18,645.40

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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.