Home / 49,286.04-67,943.52-39,218.64

Finding the Fourth Proportional to 49,286.04, 67,943.52 and 39,218.64

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Solution

The fourth proportional to 49,286.04, 67,943.52 and 39,218.64 is: 54,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,286.04 : 67,943.52 = 39,218.64 : x
  2. Step 2: Convert to fraction form
    49,286.04/67,943.52 = 39,218.64/x
  3. Step 3: Cross multiply
    49,286.04x = 67,943.52 × 39,218.64
  4. Step 4: Simplify right side
    49,286.04x = 2,664,652,451.21
  5. Step 5: Solve for x
    x = 2,664,652,451.21/49,286.04
  6. Step 6: Final answer
    x = 54,065.05

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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.