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Finding the Fourth Proportional to 32,728.11, 49,091.10 and 9,354.54

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Solution

The fourth proportional to 32,728.11, 49,091.10 and 9,354.54 is: 14,031.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,728.11 : 49,091.10 = 9,354.54 : x
  2. Step 2: Convert to fraction form
    32,728.11/49,091.10 = 9,354.54/x
  3. Step 3: Cross multiply
    32,728.11x = 49,091.10 × 9,354.54
  4. Step 4: Simplify right side
    32,728.11x = 459,224,658.59
  5. Step 5: Solve for x
    x = 459,224,658.59/32,728.11
  6. Step 6: Final answer
    x = 14,031.51

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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.