Home / 49,805.35-74,704.78-20,225.77

Finding the Fourth Proportional to 49,805.35, 74,704.78 and 20,225.77

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Solution

The fourth proportional to 49,805.35, 74,704.78 and 20,225.77 is: 30,337.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,805.35 : 74,704.78 = 20,225.77 : x
  2. Step 2: Convert to fraction form
    49,805.35/74,704.78 = 20,225.77/x
  3. Step 3: Cross multiply
    49,805.35x = 74,704.78 × 20,225.77
  4. Step 4: Simplify right side
    49,805.35x = 1,510,961,698.18
  5. Step 5: Solve for x
    x = 1,510,961,698.18/49,805.35
  6. Step 6: Final answer
    x = 30,337.34

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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.