Home / 48,704.46-73,089.48-19,118.78

Finding the Fourth Proportional to 48,704.46, 73,089.48 and 19,118.78

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Solution

The fourth proportional to 48,704.46, 73,089.48 and 19,118.78 is: 28,691.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,704.46 : 73,089.48 = 19,118.78 : x
  2. Step 2: Convert to fraction form
    48,704.46/73,089.48 = 19,118.78/x
  3. Step 3: Cross multiply
    48,704.46x = 73,089.48 × 19,118.78
  4. Step 4: Simplify right side
    48,704.46x = 1,397,381,688.43
  5. Step 5: Solve for x
    x = 1,397,381,688.43/48,704.46
  6. Step 6: Final answer
    x = 28,691.04

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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.