Home / 64,211.28-88,619.96-35,922.80

Finding the Fourth Proportional to 64,211.28, 88,619.96 and 35,922.80

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Solution

The fourth proportional to 64,211.28, 88,619.96 and 35,922.80 is: 49,578.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,211.28 : 88,619.96 = 35,922.80 : x
  2. Step 2: Convert to fraction form
    64,211.28/88,619.96 = 35,922.80/x
  3. Step 3: Cross multiply
    64,211.28x = 88,619.96 × 35,922.80
  4. Step 4: Simplify right side
    64,211.28x = 3,183,477,099.09
  5. Step 5: Solve for x
    x = 3,183,477,099.09/64,211.28
  6. Step 6: Final answer
    x = 49,578.16

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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.