Home / 31,843.01-43,943.76-18,414.83

Finding the Fourth Proportional to 31,843.01, 43,943.76 and 18,414.83

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Solution

The fourth proportional to 31,843.01, 43,943.76 and 18,414.83 is: 25,412.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,843.01 : 43,943.76 = 18,414.83 : x
  2. Step 2: Convert to fraction form
    31,843.01/43,943.76 = 18,414.83/x
  3. Step 3: Cross multiply
    31,843.01x = 43,943.76 × 18,414.83
  4. Step 4: Simplify right side
    31,843.01x = 809,216,650.24
  5. Step 5: Solve for x
    x = 809,216,650.24/31,843.01
  6. Step 6: Final answer
    x = 25,412.70

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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.