Home / 48,913.20-73,377.90-20,846.70

Finding the Fourth Proportional to 48,913.20, 73,377.90 and 20,846.70

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Solution

The fourth proportional to 48,913.20, 73,377.90 and 20,846.70 is: 31,273.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,913.20 : 73,377.90 = 20,846.70 : x
  2. Step 2: Convert to fraction form
    48,913.20/73,377.90 = 20,846.70/x
  3. Step 3: Cross multiply
    48,913.20x = 73,377.90 × 20,846.70
  4. Step 4: Simplify right side
    48,913.20x = 1,529,687,067.93
  5. Step 5: Solve for x
    x = 1,529,687,067.93/48,913.20
  6. Step 6: Final answer
    x = 31,273.50

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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.