Home / 31,292.68-43,169.46-18,037

Finding the Fourth Proportional to 31,292.68, 43,169.46 and 18,037

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Solution

The fourth proportional to 31,292.68, 43,169.46 and 18,037 is: 24,882.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,292.68 : 43,169.46 = 18,037 : x
  2. Step 2: Convert to fraction form
    31,292.68/43,169.46 = 18,037/x
  3. Step 3: Cross multiply
    31,292.68x = 43,169.46 × 18,037
  4. Step 4: Simplify right side
    31,292.68x = 778,647,550.02
  5. Step 5: Solve for x
    x = 778,647,550.02/31,292.68
  6. Step 6: Final answer
    x = 24,882.74

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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.