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Finding the Fourth Proportional to 45,992.41, 68,975.29 and 17,906.20

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Solution

The fourth proportional to 45,992.41, 68,975.29 and 17,906.20 is: 26,854.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,992.41 : 68,975.29 = 17,906.20 : x
  2. Step 2: Convert to fraction form
    45,992.41/68,975.29 = 17,906.20/x
  3. Step 3: Cross multiply
    45,992.41x = 68,975.29 × 17,906.20
  4. Step 4: Simplify right side
    45,992.41x = 1,235,085,337.80
  5. Step 5: Solve for x
    x = 1,235,085,337.80/45,992.41
  6. Step 6: Final answer
    x = 26,854.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.