Home / 31,973.32-47,973.80-17,164.94

Finding the Fourth Proportional to 31,973.32, 47,973.80 and 17,164.94

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Solution

The fourth proportional to 31,973.32, 47,973.80 and 17,164.94 is: 25,754.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,973.32 : 47,973.80 = 17,164.94 : x
  2. Step 2: Convert to fraction form
    31,973.32/47,973.80 = 17,164.94/x
  3. Step 3: Cross multiply
    31,973.32x = 47,973.80 × 17,164.94
  4. Step 4: Simplify right side
    31,973.32x = 823,467,398.57
  5. Step 5: Solve for x
    x = 823,467,398.57/31,973.32
  6. Step 6: Final answer
    x = 25,754.83

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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.