Home / 54,241.88-74,861.64-30,370.09

Finding the Fourth Proportional to 54,241.88, 74,861.64 and 30,370.09

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Solution

The fourth proportional to 54,241.88, 74,861.64 and 30,370.09 is: 41,915.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,241.88 : 74,861.64 = 30,370.09 : x
  2. Step 2: Convert to fraction form
    54,241.88/74,861.64 = 30,370.09/x
  3. Step 3: Cross multiply
    54,241.88x = 74,861.64 × 30,370.09
  4. Step 4: Simplify right side
    54,241.88x = 2,273,554,218.19
  5. Step 5: Solve for x
    x = 2,273,554,218.19/54,241.88
  6. Step 6: Final answer
    x = 41,915.11

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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.