Home / 31,789.37-43,864.84-19,039.56

Finding the Fourth Proportional to 31,789.37, 43,864.84 and 19,039.56

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Solution

The fourth proportional to 31,789.37, 43,864.84 and 19,039.56 is: 26,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,789.37 : 43,864.84 = 19,039.56 : x
  2. Step 2: Convert to fraction form
    31,789.37/43,864.84 = 19,039.56/x
  3. Step 3: Cross multiply
    31,789.37x = 43,864.84 × 19,039.56
  4. Step 4: Simplify right side
    31,789.37x = 835,167,205.47
  5. Step 5: Solve for x
    x = 835,167,205.47/31,789.37
  6. Step 6: Final answer
    x = 26,271.91

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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.