Home / 43,321.05-64,855.22-38,819.07

Finding the Fourth Proportional to 43,321.05, 64,855.22 and 38,819.07

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Solution

The fourth proportional to 43,321.05, 64,855.22 and 38,819.07 is: 58,115.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,321.05 : 64,855.22 = 38,819.07 : x
  2. Step 2: Convert to fraction form
    43,321.05/64,855.22 = 38,819.07/x
  3. Step 3: Cross multiply
    43,321.05x = 64,855.22 × 38,819.07
  4. Step 4: Simplify right side
    43,321.05x = 2,517,619,130.95
  5. Step 5: Solve for x
    x = 2,517,619,130.95/43,321.05
  6. Step 6: Final answer
    x = 58,115.38

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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.