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Finding the Fourth Proportional to 32,464.60, 48,696.90 and 31,168.60

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Solution

The fourth proportional to 32,464.60, 48,696.90 and 31,168.60 is: 46,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,464.60 : 48,696.90 = 31,168.60 : x
  2. Step 2: Convert to fraction form
    32,464.60/48,696.90 = 31,168.60/x
  3. Step 3: Cross multiply
    32,464.60x = 48,696.90 × 31,168.60
  4. Step 4: Simplify right side
    32,464.60x = 1,517,814,197.34
  5. Step 5: Solve for x
    x = 1,517,814,197.34/32,464.60
  6. Step 6: Final answer
    x = 46,752.90

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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.