Home / 31,867.70-43,973.16-17,717.81

Finding the Fourth Proportional to 31,867.70, 43,973.16 and 17,717.81

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Solution

The fourth proportional to 31,867.70, 43,973.16 and 17,717.81 is: 24,448.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,867.70 : 43,973.16 = 17,717.81 : x
  2. Step 2: Convert to fraction form
    31,867.70/43,973.16 = 17,717.81/x
  3. Step 3: Cross multiply
    31,867.70x = 43,973.16 × 17,717.81
  4. Step 4: Simplify right side
    31,867.70x = 779,108,093.98
  5. Step 5: Solve for x
    x = 779,108,093.98/31,867.70
  6. Step 6: Final answer
    x = 24,448.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.