Home / 31,822.13-43,912.42-17,479.17

Finding the Fourth Proportional to 31,822.13, 43,912.42 and 17,479.17

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Solution

The fourth proportional to 31,822.13, 43,912.42 and 17,479.17 is: 24,120.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,822.13 : 43,912.42 = 17,479.17 : x
  2. Step 2: Convert to fraction form
    31,822.13/43,912.42 = 17,479.17/x
  3. Step 3: Cross multiply
    31,822.13x = 43,912.42 × 17,479.17
  4. Step 4: Simplify right side
    31,822.13x = 767,552,434.73
  5. Step 5: Solve for x
    x = 767,552,434.73/31,822.13
  6. Step 6: Final answer
    x = 24,120.09

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1.5x scale

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.