Home / 36,311.42-54,439.50-18,770.06

Finding the Fourth Proportional to 36,311.42, 54,439.50 and 18,770.06

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Solution

The fourth proportional to 36,311.42, 54,439.50 and 18,770.06 is: 28,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,311.42 : 54,439.50 = 18,770.06 : x
  2. Step 2: Convert to fraction form
    36,311.42/54,439.50 = 18,770.06/x
  3. Step 3: Cross multiply
    36,311.42x = 54,439.50 × 18,770.06
  4. Step 4: Simplify right side
    36,311.42x = 1,021,832,681.37
  5. Step 5: Solve for x
    x = 1,021,832,681.37/36,311.42
  6. Step 6: Final answer
    x = 28,140.81

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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.