Home / 32,166.40-48,307.20-31,129.60

Finding the Fourth Proportional to 32,166.40, 48,307.20 and 31,129.60

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Solution

The fourth proportional to 32,166.40, 48,307.20 and 31,129.60 is: 46,750.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,166.40 : 48,307.20 = 31,129.60 : x
  2. Step 2: Convert to fraction form
    32,166.40/48,307.20 = 31,129.60/x
  3. Step 3: Cross multiply
    32,166.40x = 48,307.20 × 31,129.60
  4. Step 4: Simplify right side
    32,166.40x = 1,503,783,813.12
  5. Step 5: Solve for x
    x = 1,503,783,813.12/32,166.40
  6. Step 6: Final answer
    x = 46,750.14

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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.