Home / 40,984.20-61,379.10-25,237.80

Finding the Fourth Proportional to 40,984.20, 61,379.10 and 25,237.80

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Solution

The fourth proportional to 40,984.20, 61,379.10 and 25,237.80 is: 37,796.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,984.20 : 61,379.10 = 25,237.80 : x
  2. Step 2: Convert to fraction form
    40,984.20/61,379.10 = 25,237.80/x
  3. Step 3: Cross multiply
    40,984.20x = 61,379.10 × 25,237.80
  4. Step 4: Simplify right side
    40,984.20x = 1,549,073,449.98
  5. Step 5: Solve for x
    x = 1,549,073,449.98/40,984.20
  6. Step 6: Final answer
    x = 37,796.84

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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.