Home / 64,907.39-89,571.18-36,225.56

Finding the Fourth Proportional to 64,907.39, 89,571.18 and 36,225.56

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Solution

The fourth proportional to 64,907.39, 89,571.18 and 36,225.56 is: 49,990.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,907.39 : 89,571.18 = 36,225.56 : x
  2. Step 2: Convert to fraction form
    64,907.39/89,571.18 = 36,225.56/x
  3. Step 3: Cross multiply
    64,907.39x = 89,571.18 × 36,225.56
  4. Step 4: Simplify right side
    64,907.39x = 3,244,766,515.13
  5. Step 5: Solve for x
    x = 3,244,766,515.13/64,907.39
  6. Step 6: Final answer
    x = 49,990.71

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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.