Home / 31,866.70-43,971.78-17,716.81

Finding the Fourth Proportional to 31,866.70, 43,971.78 and 17,716.81

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Solution

The fourth proportional to 31,866.70, 43,971.78 and 17,716.81 is: 24,446.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866.70 : 43,971.78 = 17,716.81 : x
  2. Step 2: Convert to fraction form
    31,866.70/43,971.78 = 17,716.81/x
  3. Step 3: Cross multiply
    31,866.70x = 43,971.78 × 17,716.81
  4. Step 4: Simplify right side
    31,866.70x = 779,039,671.62
  5. Step 5: Solve for x
    x = 779,039,671.62/31,866.70
  6. Step 6: Final answer
    x = 24,446.83

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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.