Home / 42,375.96-63,522.63-20,183.38

Finding the Fourth Proportional to 42,375.96, 63,522.63 and 20,183.38

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Solution

The fourth proportional to 42,375.96, 63,522.63 and 20,183.38 is: 30,255.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,375.96 : 63,522.63 = 20,183.38 : x
  2. Step 2: Convert to fraction form
    42,375.96/63,522.63 = 20,183.38/x
  3. Step 3: Cross multiply
    42,375.96x = 63,522.63 × 20,183.38
  4. Step 4: Simplify right side
    42,375.96x = 1,282,101,221.08
  5. Step 5: Solve for x
    x = 1,282,101,221.08/42,375.96
  6. Step 6: Final answer
    x = 30,255.39

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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.