Home / 33,157.86-49,748.78-20,492.80

Finding the Fourth Proportional to 33,157.86, 49,748.78 and 20,492.80

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Solution

The fourth proportional to 33,157.86, 49,748.78 and 20,492.80 is: 30,746.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,157.86 : 49,748.78 = 20,492.80 : x
  2. Step 2: Convert to fraction form
    33,157.86/49,748.78 = 20,492.80/x
  3. Step 3: Cross multiply
    33,157.86x = 49,748.78 × 20,492.80
  4. Step 4: Simplify right side
    33,157.86x = 1,019,491,725.64
  5. Step 5: Solve for x
    x = 1,019,491,725.64/33,157.86
  6. Step 6: Final answer
    x = 30,746.61

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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.