Home / 48,377.78-72,594.35-18,791.79

Finding the Fourth Proportional to 48,377.78, 72,594.35 and 18,791.79

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Solution

The fourth proportional to 48,377.78, 72,594.35 and 18,791.79 is: 28,198.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,377.78 : 72,594.35 = 18,791.79 : x
  2. Step 2: Convert to fraction form
    48,377.78/72,594.35 = 18,791.79/x
  3. Step 3: Cross multiply
    48,377.78x = 72,594.35 × 18,791.79
  4. Step 4: Simplify right side
    48,377.78x = 1,364,177,780.39
  5. Step 5: Solve for x
    x = 1,364,177,780.39/48,377.78
  6. Step 6: Final answer
    x = 28,198.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.