Home / 45,626.79-68,394.42-18,936.48

Finding the Fourth Proportional to 45,626.79, 68,394.42 and 18,936.48

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Solution

The fourth proportional to 45,626.79, 68,394.42 and 18,936.48 is: 28,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,626.79 : 68,394.42 = 18,936.48 : x
  2. Step 2: Convert to fraction form
    45,626.79/68,394.42 = 18,936.48/x
  3. Step 3: Cross multiply
    45,626.79x = 68,394.42 × 18,936.48
  4. Step 4: Simplify right side
    45,626.79x = 1,295,149,566.44
  5. Step 5: Solve for x
    x = 1,295,149,566.44/45,626.79
  6. Step 6: Final answer
    x = 28,385.73

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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.