Home / 31,963.77-47,966.99-11,187.27

Finding the Fourth Proportional to 31,963.77, 47,966.99 and 11,187.27

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Solution

The fourth proportional to 31,963.77, 47,966.99 and 11,187.27 is: 16,788.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,963.77 : 47,966.99 = 11,187.27 : x
  2. Step 2: Convert to fraction form
    31,963.77/47,966.99 = 11,187.27/x
  3. Step 3: Cross multiply
    31,963.77x = 47,966.99 × 11,187.27
  4. Step 4: Simplify right side
    31,963.77x = 536,619,612.28
  5. Step 5: Solve for x
    x = 536,619,612.28/31,963.77
  6. Step 6: Final answer
    x = 16,788.37

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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.