Home / 54,299.46-74,936.22-30,433.82

Finding the Fourth Proportional to 54,299.46, 74,936.22 and 30,433.82

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Solution

The fourth proportional to 54,299.46, 74,936.22 and 30,433.82 is: 42,000.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,299.46 : 74,936.22 = 30,433.82 : x
  2. Step 2: Convert to fraction form
    54,299.46/74,936.22 = 30,433.82/x
  3. Step 3: Cross multiply
    54,299.46x = 74,936.22 × 30,433.82
  4. Step 4: Simplify right side
    54,299.46x = 2,280,595,430.96
  5. Step 5: Solve for x
    x = 2,280,595,430.96/54,299.46
  6. Step 6: Final answer
    x = 42,000.33

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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.