Home / 45,601.77-68,373.05-18,940.44

Finding the Fourth Proportional to 45,601.77, 68,373.05 and 18,940.44

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Solution

The fourth proportional to 45,601.77, 68,373.05 and 18,940.44 is: 28,398.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,601.77 : 68,373.05 = 18,940.44 : x
  2. Step 2: Convert to fraction form
    45,601.77/68,373.05 = 18,940.44/x
  3. Step 3: Cross multiply
    45,601.77x = 68,373.05 × 18,940.44
  4. Step 4: Simplify right side
    45,601.77x = 1,295,015,556.44
  5. Step 5: Solve for x
    x = 1,295,015,556.44/45,601.77
  6. Step 6: Final answer
    x = 28,398.36

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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.