Home / 31,729.97-47,594.82-18,665.48

Finding the Fourth Proportional to 31,729.97, 47,594.82 and 18,665.48

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Solution

The fourth proportional to 31,729.97, 47,594.82 and 18,665.48 is: 27,998.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,729.97 : 47,594.82 = 18,665.48 : x
  2. Step 2: Convert to fraction form
    31,729.97/47,594.82 = 18,665.48/x
  3. Step 3: Cross multiply
    31,729.97x = 47,594.82 × 18,665.48
  4. Step 4: Simplify right side
    31,729.97x = 888,380,160.81
  5. Step 5: Solve for x
    x = 888,380,160.81/31,729.97
  6. Step 6: Final answer
    x = 27,998.14

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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.