Home / 31,721.80-47,568.94-16,927.48

Finding the Fourth Proportional to 31,721.80, 47,568.94 and 16,927.48

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Solution

The fourth proportional to 31,721.80, 47,568.94 and 16,927.48 is: 25,383.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,721.80 : 47,568.94 = 16,927.48 : x
  2. Step 2: Convert to fraction form
    31,721.80/47,568.94 = 16,927.48/x
  3. Step 3: Cross multiply
    31,721.80x = 47,568.94 × 16,927.48
  4. Step 4: Simplify right side
    31,721.80x = 805,222,280.47
  5. Step 5: Solve for x
    x = 805,222,280.47/31,721.80
  6. Step 6: Final answer
    x = 25,383.88

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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.