Home / 64,634.50-89,195.39-36,340.19

Finding the Fourth Proportional to 64,634.50, 89,195.39 and 36,340.19

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Solution

The fourth proportional to 64,634.50, 89,195.39 and 36,340.19 is: 50,149.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,634.50 : 89,195.39 = 36,340.19 : x
  2. Step 2: Convert to fraction form
    64,634.50/89,195.39 = 36,340.19/x
  3. Step 3: Cross multiply
    64,634.50x = 89,195.39 × 36,340.19
  4. Step 4: Simplify right side
    64,634.50x = 3,241,376,792.05
  5. Step 5: Solve for x
    x = 3,241,376,792.05/64,634.50
  6. Step 6: Final answer
    x = 50,149.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.