Home / 30,584.93-45,846.41-20,725.20

Finding the Fourth Proportional to 30,584.93, 45,846.41 and 20,725.20

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Solution

The fourth proportional to 30,584.93, 45,846.41 and 20,725.20 is: 31,066.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,584.93 : 45,846.41 = 20,725.20 : x
  2. Step 2: Convert to fraction form
    30,584.93/45,846.41 = 20,725.20/x
  3. Step 3: Cross multiply
    30,584.93x = 45,846.41 × 20,725.20
  4. Step 4: Simplify right side
    30,584.93x = 950,175,912.91
  5. Step 5: Solve for x
    x = 950,175,912.91/30,584.93
  6. Step 6: Final answer
    x = 31,066.81

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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.