Home / 36,771.42-55,146.15-13,392.39

Finding the Fourth Proportional to 36,771.42, 55,146.15 and 13,392.39

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Solution

The fourth proportional to 36,771.42, 55,146.15 and 13,392.39 is: 20,084.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,771.42 : 55,146.15 = 13,392.39 : x
  2. Step 2: Convert to fraction form
    36,771.42/55,146.15 = 13,392.39/x
  3. Step 3: Cross multiply
    36,771.42x = 55,146.15 × 13,392.39
  4. Step 4: Simplify right side
    36,771.42x = 738,538,747.80
  5. Step 5: Solve for x
    x = 738,538,747.80/36,771.42
  6. Step 6: Final answer
    x = 20,084.59

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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.