Home / 40,097.76-55,333.21-22,191.09

Finding the Fourth Proportional to 40,097.76, 55,333.21 and 22,191.09

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Solution

The fourth proportional to 40,097.76, 55,333.21 and 22,191.09 is: 30,622.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,097.76 : 55,333.21 = 22,191.09 : x
  2. Step 2: Convert to fraction form
    40,097.76/55,333.21 = 22,191.09/x
  3. Step 3: Cross multiply
    40,097.76x = 55,333.21 × 22,191.09
  4. Step 4: Simplify right side
    40,097.76x = 1,227,904,243.10
  5. Step 5: Solve for x
    x = 1,227,904,243.10/40,097.76
  6. Step 6: Final answer
    x = 30,622.76

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1.5x scale

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.