Home / 30,157.89-41,614.53-16,725.78

Finding the Fourth Proportional to 30,157.89, 41,614.53 and 16,725.78

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Solution

The fourth proportional to 30,157.89, 41,614.53 and 16,725.78 is: 23,079.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,157.89 : 41,614.53 = 16,725.78 : x
  2. Step 2: Convert to fraction form
    30,157.89/41,614.53 = 16,725.78/x
  3. Step 3: Cross multiply
    30,157.89x = 41,614.53 × 16,725.78
  4. Step 4: Simplify right side
    30,157.89x = 696,035,181.88
  5. Step 5: Solve for x
    x = 696,035,181.88/30,157.89
  6. Step 6: Final answer
    x = 23,079.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.