Home / 31,789.19-43,852.52-18,860.94

Finding the Fourth Proportional to 31,789.19, 43,852.52 and 18,860.94

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Solution

The fourth proportional to 31,789.19, 43,852.52 and 18,860.94 is: 26,018.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,789.19 : 43,852.52 = 18,860.94 : x
  2. Step 2: Convert to fraction form
    31,789.19/43,852.52 = 18,860.94/x
  3. Step 3: Cross multiply
    31,789.19x = 43,852.52 × 18,860.94
  4. Step 4: Simplify right side
    31,789.19x = 827,099,654.26
  5. Step 5: Solve for x
    x = 827,099,654.26/31,789.19
  6. Step 6: Final answer
    x = 26,018.27

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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.