Home / 39,414-54,391.35-29,351.10

Finding the Fourth Proportional to 39,414, 54,391.35 and 29,351.10

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Solution

The fourth proportional to 39,414, 54,391.35 and 29,351.10 is: 40,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,414 : 54,391.35 = 29,351.10 : x
  2. Step 2: Convert to fraction form
    39,414/54,391.35 = 29,351.10/x
  3. Step 3: Cross multiply
    39,414x = 54,391.35 × 29,351.10
  4. Step 4: Simplify right side
    39,414x = 1,596,445,952.99
  5. Step 5: Solve for x
    x = 1,596,445,952.99/39,414
  6. Step 6: Final answer
    x = 40,504.54

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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.