Home / 32,121.20-48,186.40-9,936.48

Finding the Fourth Proportional to 32,121.20, 48,186.40 and 9,936.48

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Solution

The fourth proportional to 32,121.20, 48,186.40 and 9,936.48 is: 14,906.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,121.20 : 48,186.40 = 9,936.48 : x
  2. Step 2: Convert to fraction form
    32,121.20/48,186.40 = 9,936.48/x
  3. Step 3: Cross multiply
    32,121.20x = 48,186.40 × 9,936.48
  4. Step 4: Simplify right side
    32,121.20x = 478,803,199.87
  5. Step 5: Solve for x
    x = 478,803,199.87/32,121.20
  6. Step 6: Final answer
    x = 14,906.14

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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.