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Finding the Fourth Proportional to 33,140.01, 49,712.46 and 9,447.12

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Solution

The fourth proportional to 33,140.01, 49,712.46 and 9,447.12 is: 14,171.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.01 : 49,712.46 = 9,447.12 : x
  2. Step 2: Convert to fraction form
    33,140.01/49,712.46 = 9,447.12/x
  3. Step 3: Cross multiply
    33,140.01x = 49,712.46 × 9,447.12
  4. Step 4: Simplify right side
    33,140.01x = 469,639,575.12
  5. Step 5: Solve for x
    x = 469,639,575.12/33,140.01
  6. Step 6: Final answer
    x = 14,171.38

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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.