Home / 43,565.96-65,354.99-13,992.86

Finding the Fourth Proportional to 43,565.96, 65,354.99 and 13,992.86

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Solution

The fourth proportional to 43,565.96, 65,354.99 and 13,992.86 is: 20,991.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,565.96 : 65,354.99 = 13,992.86 : x
  2. Step 2: Convert to fraction form
    43,565.96/65,354.99 = 13,992.86/x
  3. Step 3: Cross multiply
    43,565.96x = 65,354.99 × 13,992.86
  4. Step 4: Simplify right side
    43,565.96x = 914,503,225.37
  5. Step 5: Solve for x
    x = 914,503,225.37/43,565.96
  6. Step 6: Final answer
    x = 20,991.23

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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.