Home / 43,321.37-64,834.21-36,309.30

Finding the Fourth Proportional to 43,321.37, 64,834.21 and 36,309.30

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Solution

The fourth proportional to 43,321.37, 64,834.21 and 36,309.30 is: 54,340.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,321.37 : 64,834.21 = 36,309.30 : x
  2. Step 2: Convert to fraction form
    43,321.37/64,834.21 = 36,309.30/x
  3. Step 3: Cross multiply
    43,321.37x = 64,834.21 × 36,309.30
  4. Step 4: Simplify right side
    43,321.37x = 2,354,084,599.61
  5. Step 5: Solve for x
    x = 2,354,084,599.61/43,321.37
  6. Step 6: Final answer
    x = 54,340.03

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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.