Home / 40,736.94-61,109.64-11,154.78

Finding the Fourth Proportional to 40,736.94, 61,109.64 and 11,154.78

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Solution

The fourth proportional to 40,736.94, 61,109.64 and 11,154.78 is: 16,733.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,736.94 : 61,109.64 = 11,154.78 : x
  2. Step 2: Convert to fraction form
    40,736.94/61,109.64 = 11,154.78/x
  3. Step 3: Cross multiply
    40,736.94x = 61,109.64 × 11,154.78
  4. Step 4: Simplify right side
    40,736.94x = 681,664,590.08
  5. Step 5: Solve for x
    x = 681,664,590.08/40,736.94
  6. Step 6: Final answer
    x = 16,733.33

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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.