Home / 43,321.87-64,834.95-36,309.80

Finding the Fourth Proportional to 43,321.87, 64,834.95 and 36,309.80

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Solution

The fourth proportional to 43,321.87, 64,834.95 and 36,309.80 is: 54,340.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,321.87 : 64,834.95 = 36,309.80 : x
  2. Step 2: Convert to fraction form
    43,321.87/64,834.95 = 36,309.80/x
  3. Step 3: Cross multiply
    43,321.87x = 64,834.95 × 36,309.80
  4. Step 4: Simplify right side
    43,321.87x = 2,354,144,067.51
  5. Step 5: Solve for x
    x = 2,354,144,067.51/43,321.87
  6. Step 6: Final answer
    x = 54,340.78

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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.