Home / 31,664.94-47,490.92-11,932.62

Finding the Fourth Proportional to 31,664.94, 47,490.92 and 11,932.62

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Solution

The fourth proportional to 31,664.94, 47,490.92 and 11,932.62 is: 17,896.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,664.94 : 47,490.92 = 11,932.62 : x
  2. Step 2: Convert to fraction form
    31,664.94/47,490.92 = 11,932.62/x
  3. Step 3: Cross multiply
    31,664.94x = 47,490.92 × 11,932.62
  4. Step 4: Simplify right side
    31,664.94x = 566,691,101.81
  5. Step 5: Solve for x
    x = 566,691,101.81/31,664.94
  6. Step 6: Final answer
    x = 17,896.48

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1.5x scale

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.