Home / 36,206.34-54,221.82-18,390.14

Finding the Fourth Proportional to 36,206.34, 54,221.82 and 18,390.14

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Solution

The fourth proportional to 36,206.34, 54,221.82 and 18,390.14 is: 27,540.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,206.34 : 54,221.82 = 18,390.14 : x
  2. Step 2: Convert to fraction form
    36,206.34/54,221.82 = 18,390.14/x
  3. Step 3: Cross multiply
    36,206.34x = 54,221.82 × 18,390.14
  4. Step 4: Simplify right side
    36,206.34x = 997,146,827.56
  5. Step 5: Solve for x
    x = 997,146,827.56/36,206.34
  6. Step 6: Final answer
    x = 27,540.67

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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.