Home / 20,250.55-30,375.74-5,460.96

Finding the Fourth Proportional to 20,250.55, 30,375.74 and 5,460.96

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Solution

The fourth proportional to 20,250.55, 30,375.74 and 5,460.96 is: 8,191.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.55 : 30,375.74 = 5,460.96 : x
  2. Step 2: Convert to fraction form
    20,250.55/30,375.74 = 5,460.96/x
  3. Step 3: Cross multiply
    20,250.55x = 30,375.74 × 5,460.96
  4. Step 4: Simplify right side
    20,250.55x = 165,880,828.67
  5. Step 5: Solve for x
    x = 165,880,828.67/20,250.55
  6. Step 6: Final answer
    x = 8,191.42

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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.