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Finding the Fourth Proportional to 54,599.88, 75,322.64 and 39,468.54

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Solution

The fourth proportional to 54,599.88, 75,322.64 and 39,468.54 is: 54,448.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,599.88 : 75,322.64 = 39,468.54 : x
  2. Step 2: Convert to fraction form
    54,599.88/75,322.64 = 39,468.54/x
  3. Step 3: Cross multiply
    54,599.88x = 75,322.64 × 39,468.54
  4. Step 4: Simplify right side
    54,599.88x = 2,972,874,629.75
  5. Step 5: Solve for x
    x = 2,972,874,629.75/54,599.88
  6. Step 6: Final answer
    x = 54,448.37

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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.