Home / 43,380.72-65,122.84-25,858.80

Finding the Fourth Proportional to 43,380.72, 65,122.84 and 25,858.80

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Solution

The fourth proportional to 43,380.72, 65,122.84 and 25,858.80 is: 38,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,380.72 : 65,122.84 = 25,858.80 : x
  2. Step 2: Convert to fraction form
    43,380.72/65,122.84 = 25,858.80/x
  3. Step 3: Cross multiply
    43,380.72x = 65,122.84 × 25,858.80
  4. Step 4: Simplify right side
    43,380.72x = 1,683,998,494.99
  5. Step 5: Solve for x
    x = 1,683,998,494.99/43,380.72
  6. Step 6: Final answer
    x = 38,819.05

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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.