Home / 43,565.20-65,354.64-18,605.38

Finding the Fourth Proportional to 43,565.20, 65,354.64 and 18,605.38

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Solution

The fourth proportional to 43,565.20, 65,354.64 and 18,605.38 is: 27,910.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,565.20 : 65,354.64 = 18,605.38 : x
  2. Step 2: Convert to fraction form
    43,565.20/65,354.64 = 18,605.38/x
  3. Step 3: Cross multiply
    43,565.20x = 65,354.64 × 18,605.38
  4. Step 4: Simplify right side
    43,565.20x = 1,215,947,748.58
  5. Step 5: Solve for x
    x = 1,215,947,748.58/43,565.20
  6. Step 6: Final answer
    x = 27,910.99

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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.