Home / 40,540.85-60,795.78-19,475.03

Finding the Fourth Proportional to 40,540.85, 60,795.78 and 19,475.03

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Solution

The fourth proportional to 40,540.85, 60,795.78 and 19,475.03 is: 29,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,540.85 : 60,795.78 = 19,475.03 : x
  2. Step 2: Convert to fraction form
    40,540.85/60,795.78 = 19,475.03/x
  3. Step 3: Cross multiply
    40,540.85x = 60,795.78 × 19,475.03
  4. Step 4: Simplify right side
    40,540.85x = 1,183,999,639.37
  5. Step 5: Solve for x
    x = 1,183,999,639.37/40,540.85
  6. Step 6: Final answer
    x = 29,205.10

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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.