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Finding the Fourth Proportional to 32,481.30, 48,685.02 and 13,749.63

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Solution

The fourth proportional to 32,481.30, 48,685.02 and 13,749.63 is: 20,608.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,481.30 : 48,685.02 = 13,749.63 : x
  2. Step 2: Convert to fraction form
    32,481.30/48,685.02 = 13,749.63/x
  3. Step 3: Cross multiply
    32,481.30x = 48,685.02 × 13,749.63
  4. Step 4: Simplify right side
    32,481.30x = 669,401,011.54
  5. Step 5: Solve for x
    x = 669,401,011.54/32,481.30
  6. Step 6: Final answer
    x = 20,608.81

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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.