Home / 39,464.25-54,464.41-21,561.95

Finding the Fourth Proportional to 39,464.25, 54,464.41 and 21,561.95

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Solution

The fourth proportional to 39,464.25, 54,464.41 and 21,561.95 is: 29,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,464.25 : 54,464.41 = 21,561.95 : x
  2. Step 2: Convert to fraction form
    39,464.25/54,464.41 = 21,561.95/x
  3. Step 3: Cross multiply
    39,464.25x = 54,464.41 × 21,561.95
  4. Step 4: Simplify right side
    39,464.25x = 1,174,359,048.31
  5. Step 5: Solve for x
    x = 1,174,359,048.31/39,464.25
  6. Step 6: Final answer
    x = 29,757.54

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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.