Home / 40,137.64-60,245.34-19,375.72

Finding the Fourth Proportional to 40,137.64, 60,245.34 and 19,375.72

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Solution

The fourth proportional to 40,137.64, 60,245.34 and 19,375.72 is: 29,082.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,137.64 : 60,245.34 = 19,375.72 : x
  2. Step 2: Convert to fraction form
    40,137.64/60,245.34 = 19,375.72/x
  3. Step 3: Cross multiply
    40,137.64x = 60,245.34 × 19,375.72
  4. Step 4: Simplify right side
    40,137.64x = 1,167,296,839.14
  5. Step 5: Solve for x
    x = 1,167,296,839.14/40,137.64
  6. Step 6: Final answer
    x = 29,082.35

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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.