Home / 32,178.40-48,325.20-31,141.60

Finding the Fourth Proportional to 32,178.40, 48,325.20 and 31,141.60

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Solution

The fourth proportional to 32,178.40, 48,325.20 and 31,141.60 is: 46,768.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,178.40 : 48,325.20 = 31,141.60 : x
  2. Step 2: Convert to fraction form
    32,178.40/48,325.20 = 31,141.60/x
  3. Step 3: Cross multiply
    32,178.40x = 48,325.20 × 31,141.60
  4. Step 4: Simplify right side
    32,178.40x = 1,504,924,048.32
  5. Step 5: Solve for x
    x = 1,504,924,048.32/32,178.40
  6. Step 6: Final answer
    x = 46,768.14

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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.