Home / 40,767.44-61,151.32-11,185.60

Finding the Fourth Proportional to 40,767.44, 61,151.32 and 11,185.60

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Solution

The fourth proportional to 40,767.44, 61,151.32 and 11,185.60 is: 16,778.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,767.44 : 61,151.32 = 11,185.60 : x
  2. Step 2: Convert to fraction form
    40,767.44/61,151.32 = 11,185.60/x
  3. Step 3: Cross multiply
    40,767.44x = 61,151.32 × 11,185.60
  4. Step 4: Simplify right side
    40,767.44x = 684,014,204.99
  5. Step 5: Solve for x
    x = 684,014,204.99/40,767.44
  6. Step 6: Final answer
    x = 16,778.44

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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.