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Finding the Fourth Proportional to 58,198.56, 80,320.87 and 32,704.98

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Solution

The fourth proportional to 58,198.56, 80,320.87 and 32,704.98 is: 45,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,198.56 : 80,320.87 = 32,704.98 : x
  2. Step 2: Convert to fraction form
    58,198.56/80,320.87 = 32,704.98/x
  3. Step 3: Cross multiply
    58,198.56x = 80,320.87 × 32,704.98
  4. Step 4: Simplify right side
    58,198.56x = 2,626,892,446.93
  5. Step 5: Solve for x
    x = 2,626,892,446.93/58,198.56
  6. Step 6: Final answer
    x = 45,136.73

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1.5x scale

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.