Home / 49,178.80-67,872.84-30,054.64

Finding the Fourth Proportional to 49,178.80, 67,872.84 and 30,054.64

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Solution

The fourth proportional to 49,178.80, 67,872.84 and 30,054.64 is: 41,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,178.80 : 67,872.84 = 30,054.64 : x
  2. Step 2: Convert to fraction form
    49,178.80/67,872.84 = 30,054.64/x
  3. Step 3: Cross multiply
    49,178.80x = 67,872.84 × 30,054.64
  4. Step 4: Simplify right side
    49,178.80x = 2,039,893,771.98
  5. Step 5: Solve for x
    x = 2,039,893,771.98/49,178.80
  6. Step 6: Final answer
    x = 41,479.13

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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.