Home / 47,996.46-71,998.54-12,935.61

Finding the Fourth Proportional to 47,996.46, 71,998.54 and 12,935.61

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Solution

The fourth proportional to 47,996.46, 71,998.54 and 12,935.61 is: 19,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,996.46 : 71,998.54 = 12,935.61 : x
  2. Step 2: Convert to fraction form
    47,996.46/71,998.54 = 12,935.61/x
  3. Step 3: Cross multiply
    47,996.46x = 71,998.54 × 12,935.61
  4. Step 4: Simplify right side
    47,996.46x = 931,345,001.67
  5. Step 5: Solve for x
    x = 931,345,001.67/47,996.46
  6. Step 6: Final answer
    x = 19,404.45

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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.