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Finding the Fourth Proportional to 32,999.64, 49,494.18 and 9,620.64

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Solution

The fourth proportional to 32,999.64, 49,494.18 and 9,620.64 is: 14,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,999.64 : 49,494.18 = 9,620.64 : x
  2. Step 2: Convert to fraction form
    32,999.64/49,494.18 = 9,620.64/x
  3. Step 3: Cross multiply
    32,999.64x = 49,494.18 × 9,620.64
  4. Step 4: Simplify right side
    32,999.64x = 476,165,687.88
  5. Step 5: Solve for x
    x = 476,165,687.88/32,999.64
  6. Step 6: Final answer
    x = 14,429.42

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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.