Home / 20,241.16-30,363.90-5,450.29

Finding the Fourth Proportional to 20,241.16, 30,363.90 and 5,450.29

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Solution

The fourth proportional to 20,241.16, 30,363.90 and 5,450.29 is: 8,176.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241.16 : 30,363.90 = 5,450.29 : x
  2. Step 2: Convert to fraction form
    20,241.16/30,363.90 = 5,450.29/x
  3. Step 3: Cross multiply
    20,241.16x = 30,363.90 × 5,450.29
  4. Step 4: Simplify right side
    20,241.16x = 165,492,060.53
  5. Step 5: Solve for x
    x = 165,492,060.53/20,241.16
  6. Step 6: Final answer
    x = 8,176.02

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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.