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Finding the Fourth Proportional to 32,159.46, 44,379.99 and 18,012

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Solution

The fourth proportional to 32,159.46, 44,379.99 and 18,012 is: 24,856.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,159.46 : 44,379.99 = 18,012 : x
  2. Step 2: Convert to fraction form
    32,159.46/44,379.99 = 18,012/x
  3. Step 3: Cross multiply
    32,159.46x = 44,379.99 × 18,012
  4. Step 4: Simplify right side
    32,159.46x = 799,372,379.88
  5. Step 5: Solve for x
    x = 799,372,379.88/32,159.46
  6. Step 6: Final answer
    x = 24,856.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.