Home / 47,979.84-71,977.96-16,388.17

Finding the Fourth Proportional to 47,979.84, 71,977.96 and 16,388.17

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Solution

The fourth proportional to 47,979.84, 71,977.96 and 16,388.17 is: 24,585.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,979.84 : 71,977.96 = 16,388.17 : x
  2. Step 2: Convert to fraction form
    47,979.84/71,977.96 = 16,388.17/x
  3. Step 3: Cross multiply
    47,979.84x = 71,977.96 × 16,388.17
  4. Step 4: Simplify right side
    47,979.84x = 1,179,587,044.73
  5. Step 5: Solve for x
    x = 1,179,587,044.73/47,979.84
  6. Step 6: Final answer
    x = 24,585.06

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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.