Home / 55,578.44-83,328.78-27,861.32

Finding the Fourth Proportional to 55,578.44, 83,328.78 and 27,861.32

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Solution

The fourth proportional to 55,578.44, 83,328.78 and 27,861.32 is: 41,772.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,578.44 : 83,328.78 = 27,861.32 : x
  2. Step 2: Convert to fraction form
    55,578.44/83,328.78 = 27,861.32/x
  3. Step 3: Cross multiply
    55,578.44x = 83,328.78 × 27,861.32
  4. Step 4: Simplify right side
    55,578.44x = 2,321,649,804.79
  5. Step 5: Solve for x
    x = 2,321,649,804.79/55,578.44
  6. Step 6: Final answer
    x = 41,772.49

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1.5x scale

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.