Home / 36,486.55-54,712.82-18,951.67

Finding the Fourth Proportional to 36,486.55, 54,712.82 and 18,951.67

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Solution

The fourth proportional to 36,486.55, 54,712.82 and 18,951.67 is: 28,418.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,486.55 : 54,712.82 = 18,951.67 : x
  2. Step 2: Convert to fraction form
    36,486.55/54,712.82 = 18,951.67/x
  3. Step 3: Cross multiply
    36,486.55x = 54,712.82 × 18,951.67
  4. Step 4: Simplify right side
    36,486.55x = 1,036,899,318.58
  5. Step 5: Solve for x
    x = 1,036,899,318.58/36,486.55
  6. Step 6: Final answer
    x = 28,418.67

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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.