Home / 31,412.43-43,338.33-19,471.41

Finding the Fourth Proportional to 31,412.43, 43,338.33 and 19,471.41

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Solution

The fourth proportional to 31,412.43, 43,338.33 and 19,471.41 is: 26,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,412.43 : 43,338.33 = 19,471.41 : x
  2. Step 2: Convert to fraction form
    31,412.43/43,338.33 = 19,471.41/x
  3. Step 3: Cross multiply
    31,412.43x = 43,338.33 × 19,471.41
  4. Step 4: Simplify right side
    31,412.43x = 843,858,392.15
  5. Step 5: Solve for x
    x = 843,858,392.15/31,412.43
  6. Step 6: Final answer
    x = 26,863.84

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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.