Home / 19,489.55-29,232.50-5,450.83

Finding the Fourth Proportional to 19,489.55, 29,232.50 and 5,450.83

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Solution

The fourth proportional to 19,489.55, 29,232.50 and 5,450.83 is: 8,175.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,489.55 : 29,232.50 = 5,450.83 : x
  2. Step 2: Convert to fraction form
    19,489.55/29,232.50 = 5,450.83/x
  3. Step 3: Cross multiply
    19,489.55x = 29,232.50 × 5,450.83
  4. Step 4: Simplify right side
    19,489.55x = 159,341,287.64
  5. Step 5: Solve for x
    x = 159,341,287.64/19,489.55
  6. Step 6: Final answer
    x = 8,175.73

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1.5x scale

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.