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Finding the Fourth Proportional to 32,679.64, 48,990.30 and 17,069.32

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Solution

The fourth proportional to 32,679.64, 48,990.30 and 17,069.32 is: 25,588.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,679.64 : 48,990.30 = 17,069.32 : x
  2. Step 2: Convert to fraction form
    32,679.64/48,990.30 = 17,069.32/x
  3. Step 3: Cross multiply
    32,679.64x = 48,990.30 × 17,069.32
  4. Step 4: Simplify right side
    32,679.64x = 836,231,107.60
  5. Step 5: Solve for x
    x = 836,231,107.60/32,679.64
  6. Step 6: Final answer
    x = 25,588.75

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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.