Home / 64,757.07-89,361.59-36,063.63

Finding the Fourth Proportional to 64,757.07, 89,361.59 and 36,063.63

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Solution

The fourth proportional to 64,757.07, 89,361.59 and 36,063.63 is: 49,766.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,757.07 : 89,361.59 = 36,063.63 : x
  2. Step 2: Convert to fraction form
    64,757.07/89,361.59 = 36,063.63/x
  3. Step 3: Cross multiply
    64,757.07x = 89,361.59 × 36,063.63
  4. Step 4: Simplify right side
    64,757.07x = 3,222,703,137.65
  5. Step 5: Solve for x
    x = 3,222,703,137.65/64,757.07
  6. Step 6: Final answer
    x = 49,766.04

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1.5x scale

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.