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Finding the Fourth Proportional to 32,379.01, 48,575.09 and 13,659.11

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Solution

The fourth proportional to 32,379.01, 48,575.09 and 13,659.11 is: 20,491.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,379.01 : 48,575.09 = 13,659.11 : x
  2. Step 2: Convert to fraction form
    32,379.01/48,575.09 = 13,659.11/x
  3. Step 3: Cross multiply
    32,379.01x = 48,575.09 × 13,659.11
  4. Step 4: Simplify right side
    32,379.01x = 663,492,429.27
  5. Step 5: Solve for x
    x = 663,492,429.27/32,379.01
  6. Step 6: Final answer
    x = 20,491.44

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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.