Home / 31,973.07-47,963.70-17,161.68

Finding the Fourth Proportional to 31,973.07, 47,963.70 and 17,161.68

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Solution

The fourth proportional to 31,973.07, 47,963.70 and 17,161.68 is: 25,744.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,973.07 : 47,963.70 = 17,161.68 : x
  2. Step 2: Convert to fraction form
    31,973.07/47,963.70 = 17,161.68/x
  3. Step 3: Cross multiply
    31,973.07x = 47,963.70 × 17,161.68
  4. Step 4: Simplify right side
    31,973.07x = 823,137,671.02
  5. Step 5: Solve for x
    x = 823,137,671.02/31,973.07
  6. Step 6: Final answer
    x = 25,744.72

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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.