Home / 32,172.12-48,258.32-31,394.52

Finding the Fourth Proportional to 32,172.12, 48,258.32 and 31,394.52

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Solution

The fourth proportional to 32,172.12, 48,258.32 and 31,394.52 is: 47,091.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,172.12 : 48,258.32 = 31,394.52 : x
  2. Step 2: Convert to fraction form
    32,172.12/48,258.32 = 31,394.52/x
  3. Step 3: Cross multiply
    32,172.12x = 48,258.32 × 31,394.52
  4. Step 4: Simplify right side
    32,172.12x = 1,515,046,635.43
  5. Step 5: Solve for x
    x = 1,515,046,635.43/32,172.12
  6. Step 6: Final answer
    x = 47,091.91

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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.