Home / 31,801.69-43,883.08-18,377.27

Finding the Fourth Proportional to 31,801.69, 43,883.08 and 18,377.27

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Solution

The fourth proportional to 31,801.69, 43,883.08 and 18,377.27 is: 25,358.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,801.69 : 43,883.08 = 18,377.27 : x
  2. Step 2: Convert to fraction form
    31,801.69/43,883.08 = 18,377.27/x
  3. Step 3: Cross multiply
    31,801.69x = 43,883.08 × 18,377.27
  4. Step 4: Simplify right side
    31,801.69x = 806,451,209.59
  5. Step 5: Solve for x
    x = 806,451,209.59/31,801.69
  6. Step 6: Final answer
    x = 25,358.75

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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.