Home / 40,731.75-61,097.58-11,151.90

Finding the Fourth Proportional to 40,731.75, 61,097.58 and 11,151.90

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Solution

The fourth proportional to 40,731.75, 61,097.58 and 11,151.90 is: 16,727.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,731.75 : 61,097.58 = 11,151.90 : x
  2. Step 2: Convert to fraction form
    40,731.75/61,097.58 = 11,151.90/x
  3. Step 3: Cross multiply
    40,731.75x = 61,097.58 × 11,151.90
  4. Step 4: Simplify right side
    40,731.75x = 681,354,102.40
  5. Step 5: Solve for x
    x = 681,354,102.40/40,731.75
  6. Step 6: Final answer
    x = 16,727.84

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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.