Home / 31,738.84-43,800.14-17,397.71

Finding the Fourth Proportional to 31,738.84, 43,800.14 and 17,397.71

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Solution

The fourth proportional to 31,738.84, 43,800.14 and 17,397.71 is: 24,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,738.84 : 43,800.14 = 17,397.71 : x
  2. Step 2: Convert to fraction form
    31,738.84/43,800.14 = 17,397.71/x
  3. Step 3: Cross multiply
    31,738.84x = 43,800.14 × 17,397.71
  4. Step 4: Simplify right side
    31,738.84x = 762,022,133.68
  5. Step 5: Solve for x
    x = 762,022,133.68/31,738.84
  6. Step 6: Final answer
    x = 24,009.14

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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.