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Finding the Fourth Proportional to 31,992.59, 44,151.80 and 17,845.40

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Solution

The fourth proportional to 31,992.59, 44,151.80 and 17,845.40 is: 24,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,992.59 : 44,151.80 = 17,845.40 : x
  2. Step 2: Convert to fraction form
    31,992.59/44,151.80 = 17,845.40/x
  3. Step 3: Cross multiply
    31,992.59x = 44,151.80 × 17,845.40
  4. Step 4: Simplify right side
    31,992.59x = 787,906,552.87
  5. Step 5: Solve for x
    x = 787,906,552.87/31,992.59
  6. Step 6: Final answer
    x = 24,627.78

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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.