Home / 36,198.81-54,224.31-18,631.74

Finding the Fourth Proportional to 36,198.81, 54,224.31 and 18,631.74

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Solution

The fourth proportional to 36,198.81, 54,224.31 and 18,631.74 is: 27,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,198.81 : 54,224.31 = 18,631.74 : x
  2. Step 2: Convert to fraction form
    36,198.81/54,224.31 = 18,631.74/x
  3. Step 3: Cross multiply
    36,198.81x = 54,224.31 × 18,631.74
  4. Step 4: Simplify right side
    36,198.81x = 1,010,292,972.39
  5. Step 5: Solve for x
    x = 1,010,292,972.39/36,198.81
  6. Step 6: Final answer
    x = 27,909.56

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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.